foul play

名词 foul play:

1. unfair or treacherous behavior (especially involving violence)

1. Do the police suspect foul play?
   警方是否怀疑有不法行为？
2. The police removed a body from the canal but said that they did not suspect foul play.
   警察从运河里捞走了一具尸体，但却称他们并不认为是一桩谋杀案。
3. He was booked by the referee for foul play.
   他因为动作犯规而被裁判记下姓名。