tightening

名词 tightening:

1. the act of making something tighter

动词 tighten:

1. make tight or tighter
   同义词：tighten, fasten
2. become tight or tighter
   同义词：tighten
3. restrict
   同义词：stiffen, tighten, tighten up, constrain
4. narrow or limit
   同义词：reduce, tighten

1. The government is tightening up the driving laws.
   政府方面正抓紧驾驶法规的施行。
2. The police are tightening up on drunken driving.
   警方目前采取严厉手段对付醉酒驾车行为。
3. There's too much travel on the brake, it needs tightening.
   制动器太松了，需要调紧。
4. This screw needs tightening.
   这螺丝钉需要再拧紧些。