英语音标：[ˈtaɪtn]
美语音标：[ˈtaɪtn]

vt.使紧；勒紧；固定

vi.变紧

用作及物动词 (vt.)

He tightened his grip on her arm. 他紧抓她的手臂。

The plumber take out a wrench and tighten the bolt. 修水管的工人拿出一把扳手拧紧了螺栓。

This month we have to tighten our belts. 这个月我不得不勒紧裤腰带过日子。

While holding down on the cone, tighten the subbase screws. 用手压住漏斗，拧紧座垫固定螺丝。

If table index shafts are loose, tighten mounting bolts. 如果台面索引轴松动，拧紧固定螺栓。

用作不及物动词 (vi.)

This screw needs tightening. 这螺丝钉需要再拧紧些。

Controls in the city have gradually tightened. 对这个城市的控制逐渐加强。

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