on one's uppers
处于困境
A:Please lend me some money.
A:借我点儿钱好吗?
B:OK. do you want it urgently?
B:没问题,你有急用吗?
A:Yeah, I really want it. I am on my uppers.
A:对,我真的非常急用它。
B:Right, here you are.
B:好吧,给你。
A:Thanks.
A:谢谢。