to be strapped for cash指手头没有足够的钱，常被用来形容暂时资金短缺、手头紧。

例句

Would you mind paying for the takeaway? I'm a bit strapped for cash until payday.

When I was a student I was frequently strapped for cash. Actually, thinking about it, even now I'm working full time I'm still regularly strapped for cash.

I can't come out tonight, I'm a bit strapped for cash.

请注意

另一个表达 to be a bit short 也能用来指某人暂时资金不足的情况。

例句

Sorry, I'm a bit short this month. I can't afford the tickets.

Don't worry, if you're a bit short you can pay me back next month.