"absence of a Polish interpreter"

https://www.examiner.co.uk/news/west-yorkshire-news/man-accused-murdering-mum-three-14205977 
26 January 2018

[…] Lasek was brought from custody for a hearing before the Recorder of Bradford Judge Jonathan Durham Hall QC this morning (Fri), but the absence of a Polish interpreter meant he was not asked to formally enter his plea to the murder charge. […]

"she was unable to understand the interpreter"

http://www.dailymail.co.uk/news/article-5315647/Chinese-tourist-jailed-driving-slowly-Hull.html 
26 January 2018

[…] However, Lawrence Watts, mitigating, said she was unable to understand the interpreter provided that was provided by police through 'Language Line' and she may have thought the police car flashing its lights was 'shorthand that implied - please get out of my way'. […]

"case adjourned"

http://www.stokesentinel.co.uk/news/stoke-on-trent-news/court-round-up-latest-regions-1050794 
15 January 2018

The case of a 43-year-old woman accused of drink-driving has been adjourned. […]

Nagy’s case at North Staffordshire Justice Centre had to be adjourned because a Hungarian interpreter was not available. Nagy was bailed to appear again on January 18.