English translations are attached on switches of a fan at an an apartment which is used as Airbnb service in Tokyo, Japan March 12, 2018. Picture taken March 12, 2018. REUTERS/Kim Kyung-Hoon

A traffic sign is pictured in Ulm, Germany, April 6, 2017. REUTERS/Michaela Rehle

A traffic sign reading 'please switch off motor' is pictured in Ulm, Germany, April 6, 2017. REUTERS/Michaela Rehle

British national David Taylor (R) sits in a courtroom with an interpretor during his sentencing over his role in the death of a police officer at the Denpasar District Court in Bali, Indonesia March 13, 2017. REUTERS/Agung Parameswara

Translators work as U.S. President Barack Obama speaks during a High Level Leaders meeting on Refugees on the sidelines of the United Nations General Assembly at United Nations headquarters in New York City, U.S. September 20, 2016. REUTERS/Brendan McDermid

A man uses a translation headset during the 71st United Nations General Assembly in Manhattan, New York, U.S. September 20, 2016. REUTERS/Carlo Allegri

Laos President Bounnhang Vorachith (seated, L) and U.S. President Barack Obama (seated, R) watch a dance performance at a luncheon following their bilateral meeting, on the sidelines of the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

Traditional dancers perform at a luncheon in honour of a bilateral meeting between U.S. President Barack Obama and Laos President Bounnhang Vorachith (neither pictured), ahead of the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

A translator helps Laos President Bounnhang Vorachith (seated, L) converse with U.S. President Barack Obama (seated, R) at a luncheon following their bilateral meeting, alongside the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

A translator helps Laos President Bounnhang Vorachith (L) converse with U.S. President Barack Obama (R) at a luncheon following their bilateral meeting, alongside the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

Laos President Bounnhang Vorachith (seated, C) and U.S. President Barack Obama (seated, R) watch a dance performance at a luncheon following their bilateral meeting, alongside the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

Laos President Bounnhang Vorachith (seated, L) and U.S. President Barack Obama (seated, R) watch a dance performance at a luncheon following their bilateral meeting, alongside the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

A translator helps Laos President Bounnhang Vorachith (seated, L) converse with U.S. President Barack Obama (seated, R) at a luncheon following their bilateral meeting, alongside the ASEAN Summit, at the Presidential Palace in Vientiane, Laos September 6, 2016. REUTERS/Jonathan Ernst

Former Iowa U.S. Senator Tom Harkin speaks as a sign language interpreter (R) stands beside him at the Democratic National Convention in Philadelphia, Pennsylvania, U.S. July 26, 2016. REUTERS/Gary Cameron

People's Party (PP) leader Mariano Rajoy (C) holds the letter "A" during a campaign rally for Spain's upcoming general election in Malaga, Spain, June 20, 2016. REUTERS/Jon Nazca

U.S. President Barack Obama (C), German Chancellor Angela Merkel and interpreter Brigitta Richman (L), react at the booth of Phoenix Contact during the opening tour of the Hannover Messe in Hanover, Germany April 25, 2016. REUTERS/Kai Pfaffenbach

Immigration, Refugees and Citizenship Canada (IRCC) contractors including translators wait for the arrival of Syrian refugees at the Welcome Centre in Montreal, Quebec, December 12, 2015. The second military airlift of refugees is arriving in Montreal on Saturday, which will see a total of 10,000 resettled by year-end and an additional 15,000 by the end of February, fulfilling the Canadian government's pledge to accept 25,000. REUTERS/Christinne Muschi

Britain's Permanent Representative to NATO Adam Thomson (L) helps U.S. Secretary of State John Kerry (R) with his translation headphones as they take their seats for a NATO ministerial meeting on Resolute Support operations in Afghanistan, at NATO Headquarters in Brussels December 1, 2015. REUTERS/Jonathan Ernst

Dang Nguyen Thuc Vien (back L), a 32-year-old daughter of refugees from south Vietnam, acts as an interpreter to help a local Vietnamese resident in Japan at a hospital in Kanagawa prefecture, south of Tokyo, Japan, November 25, 2015. Picture taken November 25, 2015. REUTERS/Yuya Shino

Dang Nguyen Thuc Vien (2nd R), a 32-year-old daughter of refugees from south Vietnam, helps a local Vietnamese resident in Japan as an interpreter at a hospital in Kanagawa prefecture, south of Tokyo, Japan, November 25, 2015. Picture taken November 25, 2015. REUTERS/Yuya Shino

Dang Nguyen Thuc Vien (C), a 32-year-old daughter of refugees from south Vietnam, helps a local Vietnamese resident in Japan as an interpreter at a hospital in Kanagawa prefecture, south of Tokyo, Japan, November 25, 2015. Picture taken November 25, 2015. REUTERS/Yuya Shino

Dang Nguyen Thuc Vien (C), a 32-year-old daughter of refugees from south Vietnam, helps a local Vietnamese resident in Japan as a interpreter at a hospital in Kanagawa prefecture, south of Tokyo, Japan, November 25, 2015. Picture taken November 25, 2015. REUTERS/Yuya Shino

Dang Nguyen Thuc Vien (R), a 32-year-old daughter of refugees from south Vietnam, helps a local Vietnamese resident in Japan as an interpreter at a hospital in Kanagawa prefecture, south of Tokyo, Japan, November 25, 2015. Picture taken November 25, 2015. REUTERS/Yuya Shino

Pope Francis talks with his interpreter as he meets with inmates at Curran-Fromhold Correctional Facility in Philadelphia, September 27, 2015. REUTERS/Jonathan Ernst

Pope Francis talks with his interpreter as he meets with inmates at Curran-Fromhold Correctional Facility in Philadelphia, September 27, 2015. REUTERS/Jonathan Ernst

Translations for common medical terms written in Arabic, German and English hang on a board at a sports hall in Hanau, Germany September 22, 2015. REUTERS/Kai Pfaffenbach

A migrant (L) talks with his translator as he appears in front of a court in Szeged, Hungary September 16, 2015. REUTERS/Dado Ruvic

A migrant (C) talks with his translator as he appears in front of a court in Szeged, Hungary September 16, 2015. REUTERS/Dado Ruvic TPX IMAGES OF THE DAY

A migrant gestures as he talks with his translator as he appears in front of a court in Szeged, Hungary September 16, 2015. REUTERS/Dado Ruvic

A migrant sits next to his translator (C) as he appears in front of a court in Szeged, Hungary September 16, 2015. REUTERS/Dado Ruvic

German Chancellor Angela Merkel, French President Francois Hollande and Ukrainian President Petro Poroshenko are reflected in interpreters' cabin as they speak to media after their meeting in the Chancellery in Berlin, Germany, August 24, 2015. REUTERS/Axel Schmidt

Interpreters work as Vietnam's Foreign Minister Pham Binh Minh and U.S. Secretary of State John Kerry hold a news conference at the Ministry of Foreign Affairs in Hanoi, Vietnam August 7, 2015. REUTERS/Brendan Smialowski/Pool?

An interpreter looks on following a United Nations Security Council vote on a resolution about the ongoing crisis in Iraq at United Nations headquarters in the Manhattan borough of New York August 15, 2014. The United Nations Security Council took aim at Islamist militants in Iraq and Syria on Friday, blacklisting six people including the Islamic State spokesman and threatening sanctions against those who finance, recruit or supply weapons to the insurgents. The 15-member council unanimously adopted a resolution that aims to weaken the Islamic State - an al Qaeda splinter group that has seized swaths of territory in Iraq and Syria and declared a caliphate - and al Qaeda's Syrian wing Nusra Front. REUTERS/Carlo Allegri (UNITED STATES - Tags: CIVIL UNREST POLITICS)

Mahamet, a 17-year-old Syrian boy from Azaz, waits for customers in front of the jewellery shop where he works as a translator in Kilis on the Turkish-Syrian border March 18, 2014. The busy market district of Kilis in southeast Turkey is full of Syrian refugee children, repairing household goods, serving baklava and selling jewellery to become the main breadwinner of their families because their parents struggle to find jobs. The civil war in neighbouring Syria has killed more than 140,000 people and driven 2.5 million abroad, at least 700,000 of whom have been formally registered in Turkey under its "open door" policy reflecting support for the Syrian uprising. Picture taken March 18, 2014. REUTERS/Murad Sezer (TURKEY - Tags: POLITICS SOCIETY IMMIGRATION BUSINESS EMPLOYMENT)

A student uses an electronic translator during an oenology lesson at the Institut Paul Bocuse, in a 19th century chateau, in Ecully near Lyon, December 3, 2013. The Institut Paul Bocuse, created by French chef Paul Bocuse in 2004, trains students in every aspect of the culinary arts and hotel and restaurant management, on the path to Excellence. The cooking school welcomes 450 students from 37 countries each year for a unique immersion in French gastronomic heritage. Picture taken December 3, 2013. REUTERS/Robert Pratta (FRANCE - Tags: FOOD SOCIETY EDUCATION)

A man passing himself off as a sign language interpreter punches the air during a speech being given by India's President Pranab Mukherjee at a memorial service for late South African President Nelson Mandela at the FNB soccer stadium in Johannesburg December 10, 2013. The fake sign language interpreter took to the stage during Tuesday's memorial for anti-apartheid leader Nelson Mandela, gesticulating gibberish before a global audience of millions and outraging deaf people across the world. Picture taken December 10. REUTERS/Kai Pfaffenbach (SOUTH AFRICA - Tags: POLITICS OBITUARY)

India's President Pranab Mukherjee speaks at the podium as a sign language interpreter (R) punches the air beside him during a memorial service for late South African President Nelson Mandela at the FNB soccer stadium in Johannesburg December 10, 2013. The fake sign language interpreter took to the stage during Tuesday's memorial for anti-apartheid leader Nelson Mandela, gesticulating gibberish before a global audience of millions and outraging deaf people across the world. Picture taken December 10. REUTERS/Kai Pfaffenbach (SOUTH AFRICA - Tags: POLITICS OBITUARY TPX IMAGES OF THE DAY)

Former Italian Prime Minister Silvio Berlusconi (C ) is pictured as a translator repeats remarks by former U.S. president George W. Bush (not pictured) at the dedication ceremony of the George W. Bush Presidential Center in Dallas, April 25, 2013. U.S President Barack Obama is in Texas to stand shoulder-to-shoulder with Bush in what could serve as a powerful reminder of the ongoing struggle against terrorism, from the Sept. 11 attacks to the Boston Marathon bombings. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS TPX IMAGES OF THE DAY)

Linguist Dan Li Dunford prepares to read a Mandarin translation from Jane Austen's novel "Pride and Prejudice" during a twelve hour live readathon at the Jane Austen Centre in Bath, southern England January 28, 2013. The novel, being read in its entirety is being broadcast live on the internet and today marks the 200th anniversary of the publication of Austen's famous novel. REUTERS/Suzanne Plunkett (BRITAIN - Tags: ANNIVERSARY ENTERTAINMENT MEDIA SOCIETY)

Translators sit in their cubicles during a debate for participants at the World Economic Forum on East Asia, in Jakarta June 13, 2011. REUTERS/Beawiharta (INDONESIA - Tags: BUSINESS)

U.S. Army soldiers and a local interpretor take a break as they prepare to leave Combat Outpost Nolen in the Arghandab Valley north of Kandahar, July 19, 2010. REUTERS/Bob Strong (AFGHANISTAN - Tags: CONFLICT MILITARY)

Afghan interpreters with the U.S. Army sit atop a hill overlooking the Arghandab valley, as air force jets fly past, in a military base May 15, 2010. REUTERS/Yannis Behrakis (AFGHANISTAN - Tags: MILITARY CONFLICT POLITICS)

Soldiers from the Belgian armed forces belonging to the International Security Assistance Force (ISAF) conduct a mine sweeping operation in Chahar Dara in the outskirts of Kunduz December 16, 2009. The person in the center is an Afghan translator. German Bundeswehr armed forces, Belgian soldiers and soldiers from the Afghan National Army (ANA) came under fire by insurgents during the mission. Belgium's Defence Minister Pieter De Crem and Prime Minister Yves Leterme made a visit to Kunduz on December 21, 2009. Picture taken December 16, 2009. REUTERS/Fabrizio Bensch (AFGHANISTAN)

Lieutenant Cumbie (L) of the U.S. Army's Dagger Company, 2-12 Infantry, 4th Brigade and an Afghan interpreter (R) talk to a village elder in Kolack in the Pesh Valley in Afghanistan's Kunar Province July 21, 2009. REUTERS/Tim Wimborne (AFGHANISTAN ELECTIONS POLITICS CONFLICT IMAGES OF THE DAY)

Baltimore Orioles starting pitcher Koji Uehara (19) is checked on by trainer RIchie Bancells and assistant trainer Brian Ebel (behind Bancells) while manager Dave Trembley, second baseman Brian Roberts, and Uehara's interpretor Jiwon Bang (L-R) look on in the seventh inning of their MLB AMerican League baseball game agianst the Los Angeles Angels in Baltimore, Maryland April 29, 2009. Uehara was hit in the chest by a line drive off the bat of Gary Matthews, Jr. of the Angles. REUTERS/Joe Giza (UNITED STATES SPORT BASEBALL)

Israel's Prime Minister Ehud Olmert listens to a translation at the Israel-Palestinian Peace Conference at the U.S. Naval Academy in Annapolis, November 27, 2007. REUTERS/Larry Downing (UNITED STATES)

A masked interpreter talks with Iraqi policemen in Mahmudiya, south of Baghdad April 25, 2007. REUTERS/Bob Strong (IRAQ)

A U.S. Army soldier (R) from Bravo Company, 2nd Battalion, 2nd Infantry Division and an Iraqi interpretor (C) question a man after finding an illegal ammunition magazine in his house in Baghdad April 4, 2007. REUTERS/Bob Strong (IRAQ)

U.S. Secretary of State Condoleezza Rice uses a translation earpiece during a news conference in Aswan, some 1,200 km (746 miles) south of Cairo, March 25, 2007. Egypt said on Sunday Arab states were ready to negotiate with Israel if the Jewish state accepts their 2002 peace initiative as a starting point. REUTERS/Goran Tomasevic (EGYPT)

France's President Jacques Chirac (L) and Germany's Chancellor Angela Merkel (R) talk via an interpretor before a group photo at the start of the ASEM summit in Helsinki September 10, 2006. REUTERS/Bob Strong (FINLAND)

US Secretary of State Rice listens to translation during visit to closing ceremony of international trade conference in Dakar. U.S. Secretary of State Condoleezza Rice listens to a translation using headphones during a visit to the closing ceremony of an international trade conference in Senegal's capital Dakar July 20, 2005. REUTERS/Finbarr O'Reilly Pictures of the month July 2005

Australian actress Nicole Kidman smiles as she arrives for the German premiere of her new movie "The Interpretor" in Berlin April 13, 2005.

Australian actress Nicole Kidman smiles as she arrives for the German premiere of her new movie "The Interpretor" in Berlin April 13, 2005. REUTERS/Arnd Wiegmann AKW/TZ

Australian actress Nicole Kidman and U.S. director Sydney Pollack (R) arrive for the German premiere of their new movie "The Interpretor" in Berlin April 13, 2005. REUTERS/Arnd Wiegmann AKW/TC

An Iraqi man working as an interpreter with the U.S. Army questions an owner of a butcher on a nearby kidnapping in Baghdad March 17, 2005. Iraqi police arrested a total of four men in connection with the attempted kidnapping of two Iraqi men who were working for an American security firm. The kidnapped men were freed after a gunbattle with police on a street in the Mansour section of Baghdad. REUTERS/Bob Strong RCS/DY

French President Jacques Chirac (R) convenes with Russian Foreign
Minister Igor Ivanov during a meeting at the Elysee Palace in Paris
March 5, 2003. Ivanov was to meet later Wednesday with his counterparts
Dominique de Villepin of France and Joschka Fischer of Germany, in a
mini-summit of the three nations leading the drive against war in Iraq
ahead of Friday's U.N. Security Council meeting. Interpretor at center
is unidentified. REUTERS/POOL

JD

The UN's High Commissioner for Human Rights Mary Robinson (L) waits to continue talking as an interpretor translates her message to China's President Jiang Zemin in Beijing, November 21, 2000, during a discussion between the two sides regarding human rights. Robinson has continued to voice concern over China's dismal human rights record, but praised an agreement by Beijing to expand dialogue with the UN designed to help China comply with the two international human rights covenants that Bejing has signed but not ratified.

BM

Palestine Delegate General in France Leila Chahid, unidentified member of the Palestinian delegation and an unidentified interpretor.

CGW/

Interfet commander Major-General Peter Cosgrove (C) talks with Indonesia's Major-General Syahnakri (R) with the aid of an interpretor (L) after their meeting to discuss recent border incursions at the border checkpoint town of Batugabe, 80 km west of Dili January 27. Interfet and Indonesian armed forces representatives met for a discussion of recent security concerns in the East Timor enclave of Oecussi situated in Indonesian West Timor.

DW/PB

Czech President Vaclav Havel (L) chats with Italian Prime Minister Massimo D'Alema via an interpretor at Prague Castle March 11. D'Alema is on a one-day vist to Hungary and the Czech Republic, one day before both countries are to become member of the NATO military alliance.

SG/WS