Definition
To be extremely exhausted and on the verge of collapsing.
累垮不壐
After a full day of marathon meetings, I felt like I was ready to drop.
在整整一天的马拉松会议后，我觉得自己快要倒下了。
She had been working for eighteen hours straight, and now she was fit to drop.
她已经连续工作了十八个小时，现在她快要累垮了。
After the long trek, the hikers were all fit to drop.
在长途跋涉之后，所有的徒步旅行者都快要累垮了。