中箭落馬 [ㄓㄨㄥˋ ㄐㄧㄢˋ ㄌㄨㄛˋ ㄇㄚˇ; zhong4 jian4 luo4 ma3] lit. to be struck by an arrow and fall from one's horse to suffer a serious setback (idiom) ◄ ►