foul in Chinese

(of words or a way of speaking) Obscene, vulgar or abusive.

(obsolete) Ugly; homely; poor.

Dishonest or not conforming to the established rules and customs of a game, conflict, test, etc.

(sports) A breach of the rules of a game, especially one involving inappropriate contact with an opposing player in order to gain an advantage; for example, tripping someone up in soccer, or contact of any kind in basketball.