set our teeth

• vi. 咬紧牙关(下决心对付困难)

set our teeth的用法和样例：

例句

用作不及物动词 (vi.)

1. He clenched his teeth and refused to tell anything.
   他咬紧牙关，什么也不肯说。
2. I clamped my teeth to keep from uttering a single whimper.
   我咬紧牙关，一声不出。