勒紧

例句：

1. 1. Please tie your shoelaces before you go out.
   出门前请系好鞋带。
2. 2. The belt was too tight on her waist.
   腰带太紧了，勒在了她的腰上。
3. 3. He tightened the screws to secure the door better.
   他拧紧螺丝以更好地固定门。