Until this week, every attempt to tighten up the law had failed.
到本周为止，一切严格执法的努力都失败了。
You want to tighten up the kevlar, OK?
你应该穿防弹衣的，好吗？
We need to tighten up security at the prison.
我们必须加强监狱的安全性。
His efforts to tighten up quality control led to a commercial coup.
他努力加强质量把关，赢得了巨大的商业成功。
At present there is little pressure to tighten up the industry.
目前，此行业被收紧的压力极小。
When trying to hit the ball hard, most players tend to tighten up.
在大力击球前，多数球手都会把肌肉绷得很紧。
That is when the supply starts to increase the registration becomes tighten up.
软公共品供给开始增长时，会使户籍管制程度变得更为严格；
Will she continue to use Foursquare, or at least tighten up her privacy Settings?
她是否会继续使用Fours quare，还是会调高隐私设置？
Republicans want to tighten up the testing part, but not to spend much more money.
共和党人想加强这种测试，但是却不想在这个上面画更多的钱。
This treatment helps tone the body, firm up muscles and tighten the skin.
这种治疗可以帮助保持体态，使肌肉变结实、皮肤紧致。
When you are finished filling up, be sure you tighten your gas cap.
你加完油之后，一定要把油盖拧紧。
The strap is too loose. Tighten it up a bit.
带子太松了，再勒一勒。
The screw on the machine seems loose; you need to tighten it up.
这机器的螺丝钉松了，你要上紧。
Move the feed DOG up or down to perform adjustment, then securely tighten the screw.
上下移动送布牙调节高度，然后拧紧紧固螺丝。
Move the feed DOG up or down to perform adjustment, then securely tighten the screw.
上下移动送布牙调节高度，然后拧紧紧固螺丝。
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