foul play
1 action that is against the rules of a sport; unfair or illegal dealings (運動中的)犯規行為; 不正當的或違法的交易
fresh evidence of foul play in financial dealings 在財務方面違法的新證據.
2 criminal violence that leads to murder (導致謀殺的)犯罪暴力行為
The police suspect foul play rather than suicide. 警方懷疑是謀殺不是自殺.