last straw是什么意思？源于俗语the last straw that breaks the camel's back,意思是说：最后那根压断骆驼背德稻草，正是这根稻草超过了驼背的承受极限。所以last straw就用来引申为”忍无可忍的事情，终于无法忍受的事“。

1.I‘m ok with your calling me names ,but it's the last straw when you bad mouth my mom.
我可以容忍你骂我，但我不能容忍你说我妈的坏话。

2.The last of these rows seems to have been the last straw.
这场口角看来是彻底破裂的导火线。

3.This was the last straw.
这里再也无法忍受了。

4.he service in this shop has been bad before, but this is the last straw
这家商店的服务一向不好，但这一次实在是叫人受不了。