the last straw 最后一根稻草，忍耐的极限

　　She stood me up again. That was the last straw.

　　她又放我鸽子了，简直忍无可忍了。

　　You did not finish the work. That was the last straw.

　　你没完成任务，这已经触碰底线。

　　疯狂练习吧！