grin and bear it

例句：

1. 1. I'm going to have to grin and bear it if I don't finish the project by tomorrow.
   如果我明天之前不完成这个项目，我就必须咬紧牙关忍受了。
2. 2. She was determined to grin and bear it, even though she knew it would be tough.
   她决心咬紧牙关忍受，尽管她知道这将很艰难。
3. 3. The company had to grit and bear it when the economy tanked.
   当经济崩溃时，这家公司不得不咬紧牙关忍受。