【1+1英文】
Angela: "He came to work late every day that week. Then on Friday, he didn't show up at all."
Andy: "That was the straw that broke the camel's back."

【1+1中文】
安吉拉：那周上班他每天都来晚，而到了星期五，他根本就没出现。
安 迪：那可是让人彻底失望哟！

【1+1解析】
You are at the last straw when you are just about to lose your patience. The straw that broke the camel's back is the last thing that that happened that finally made you upset.
中文意思：让人彻底失望的最后一件事情。