tighten
['taitn]
vt.使紧, 勒紧, 固定
vi.变紧
例句与用法:
He tightened his grip on her arm.
他紧抓她的手臂。
Controls in the city have gradually tightened.
对这个城市的控制逐渐加强。
This screw needs tightening.
这螺丝钉需要再拧紧些。
词形变化:
名词: tightener | 动词过去式: tightened | 动词过去分词: tightened | 动词现在分词: tightening | 动词第三人称单数: tightens |
vt.
使变紧, 使绷紧
We must tighten these screws.
我们必须把这些螺钉旋紧。
vi.
变紧, 绷紧
短语词组:
tighten up
1. 使变紧; 使更牢固
It needs tightening up.
它需要拉紧一些。
2. 使更严格; 使更有效
He said he would take steps to tighten up the administration.
他说他将采取措施加强行政管理。