The service in this shop has been bad before, but this is the last straw. 這家商店的服務一向不好，但這一次實在是叫人受不了。
The last of these rows seems to have been the last straw. 這場口角看來是徹底破裂的導火線。
Bill had a bad day in school yesterday. He lost his knife on the way home, then he fell down, and when he broke a shoe lace, that was the last straw and he began to cry. 比爾昨天上學很不愉快。在回家的路上丟了小刀，而且又跌倒，最後當他弄斷鞋帶時，他就再也忍不住地哭了起來。
The last straw breaks the camel's back. 最後一根稻草壓斷駱駝的背。
