bend over backwards
竭尽全力、不计较付出多少力气
口语·形容竭尽全力帮助他人
英文释义
to make a great effort to accommodate or help someone
例句
She bent over backwards to help her friend move out on short notice.
典故来源
源自身体向后弯曲的动作,比喻付出极大努力或做出牺牲。