n. an act that violates the rules of a sport
v. hit a foul ball
v. commit a foul; break the rules
v. spot, stain, or pollute
a. 污秽的, 邪恶的, 恶臭的, 肮脏的, 恶劣的, 淤塞的
vt. 弄脏, 妨害, 污蔑, 犯规, 淤塞
vi. 腐烂, 犯规, 缠结
adv. 违反规则地, 不正当地
n. 犯规, 缠绕
1. The referee called a foul during the basketball game.
裁判在篮球比赛中判罚了一个犯规。
2. She was upset because someone made a foul comment about her.
她很生气，因为有人对她发表了不当评论。
3. The air in the city was foul due to pollution.
由于污染，城市里的空气很恶劣。