成语名称:投阱下石:do harm to somebody when he is already in trouble英语: do harm to somebody when he is already in trouble成语近义: 落井...
成语名称:落井下石:strike someone when he is down英语: strike someone when he is down落井下石造句:1、朋友有难,他不但伸出援手,反而落井下石,真是可耻。2、他都已经被害得这么惨...