break down1. fail失敗ADVERB➤completely, irretrievably徹底失敗;不可挽回地破裂◇Their marriage had broken down irretrievably.他們的婚姻已破裂,不可挽回。➤eventually最終失敗2. start crying哭起來PHRASES➤break down and cry, break down in tears控制不住感情哭起來;失聲哭泣◇She broke down in tears as she spoke to reporters.她向記者訴說時,忍不住哭了起來。