cry foul
抗议，指责或抱怨某事对某人不公平或不适当
口语·表示抗议或指责不公
英文释义
to complain or protest about something, especially when one feels unfairly treated or when rules or norms have been violated
例句
The player cried foul when the referee missed the obvious penalty.
典故来源
源自体育比赛，球员在对方犯规时大喊“foul”抗议，后泛指任何不公平行为的抗议。