set her teeth

• vi. 咬紧牙关(下决心对付困难)

set her teeth的用法和样例：

例句

用作不及物动词 (vi.)

1. She clenched her teeth and refused to move.
   她咬紧牙关不肯挪动一步。
2. I clamped my teeth to keep from uttering a single whimper.
   我咬紧牙关，一声不出。