at a pinch

例句：

1. 1.We'll need to make some adjustments if we're going to be at a pinch for time.
   如果我们要赶时间，就需要做一些调整。
2. 2. He was at a pinch for cash when he decided to buy the car.
   他急需现金时决定买那辆车。
3. 3. I'm at a pinch with my budget, but I think I can manage it.
   我的预算很紧张，但我相信我能应付。