tighten

The rope holding the boat suddenly tightened and broke.

系船的绳子突然绷断了。

All the bolts were fully tightened.

所有的螺钉都拧紧了。

The cables tightened and he was lifted gradually from the deck.

缆绳绷紧了，他被慢慢地吊离了甲板。

As the regime's grip on the mainland tightened over the next few years, hundreds of thousands more people fled south.

随着后来几年那个政权加强对大陆的控制，又有数十万人逃往南方。

She saw his jaw tighten and his face lose its colour.

她看见他的下巴绷紧，脸色煞白。

Luke answered by tightening his grip on her shoulder...

卢克的回应就是把她的肩头抓得更紧了。

I used my thumbnail to tighten the screw on my lamp...

我用拇指指甲把台灯上的螺钉拧紧了。

The anchorman flung his whole weight back, tightening the rope...

那个压阵队员使尽了全身力气往后拽，把绳子拉得紧紧的。

The nuts weren't properly tightened and the wheel came off.

螺母没拧紧，轮子脱落了。

Laws on gambling have tightened up recently.

有关赌博的法律最近变得更加严厉。

The United States plans to tighten the economic sanctions currently in place...

美国计划加大现有经济制裁的力度。

They have tightened security along the border...

他们加强了边境的安全工作。

His mouth tightened into a thin line.

他的嘴抿成了一道细缝。

to tighten security

加强安全措施

She tightened her grip on his arm.

她抓他的手臂抓得更紧了。

Sofia's throat had tightened and she couldn't speak...

索菲娅喉咙哽住了，说不出话来。

He knows he has considerable support for his plans to tighten his grip on the machinery of central government...

他清楚有相当多的人支持他对中央政府机构加强控制的计划。

to tighten a lid/screw/rope/knot

拧紧盖子 / 螺钉；绷紧绳子；打紧结

The police are tightening up on under-age drinking.

警方正在采取更加严厉的措施对付未成年人饮酒的问题。

Her arms tightened about his neck in gratitude...

她充满感激，把他的脖子搂得更紧了。