tighten 的意思

释义：

vt.&vi. 抓紧；使绷紧；（对…）严加控制；拧紧

构词：

tight紧的+en变成→v.变紧,绷紧,拉紧

例句：

The strap is too loose. Tighten it up a bit.
带子太松了, 再勒一勒. 换一句

Turn the screw to the right to tighten it.
向右转动螺钉把它拧紧. 换一句

Take your spanner, and tighten the nut.
把你的扳手拿来, 把螺帽拧紧. 换一句