钉牢

clench; clinch; nail up

1. 地板中松了的板子应该用钉子钉牢。
   The loose board in the floor should be nailed down.
2. 断敲打那根钉子，直到把它钉牢为止。
   The carpenter kept pounding at the nail until he drove it home.
3. 钉牢一扇窗户
   Nail up a window.

牢的英语翻译：