This is the 1446th most frequent Polish word.
zatrzymany
"Zatrzymany" means "detained" or "stopped" in English.
In this sentence, 'zatrzymany' implies someone who has been stopped temporarily, in this case by the police.
Policja zatrzymała kierowcę, który przekroczył prędkość.
The police stopped the driver who was speeding.
Here, 'zatrzymany' describes the state of the train as being stopped.
Zatrzymany pociąg czeka na pozwolenie do dalszej jazdy.
The stopped train is waiting for permission to continue its journey.
In this context, 'zatrzymany' refers to a person being detained or held, often legally.