loosen
单词辨析：
尤指工作之余放松休息；也指放松身体部位或放宽规定、法令。
A cup of hot coffee can help to relax you.
一杯热咖啡能够帮助你放松下来。
The committee believed that immigration controls should be relaxed.
委员会认为应放宽移民管制。
指松开某物；也指放宽法律、规定或控制。
The rope has loosened.
绳子松了。
Hearing these words, she loosened her grip on his arm.
听了这些话，她松开了抓着他胳膊的手。
What made the Congress agree to loosen the restrictions on exports?
是什么使国会同意放宽出口限制？
According to a recent survey, over 50% of respondents believe the government has loosened its hold on the media considerably.
根据最近的一项调查显示，逾50%的受访者认为政府对媒体的控制已大大放松了。
常指使束缚物变松弛。
You can slacken the ropes slightly when there is wind.
起风的时候你可以稍微放松绳子。
Hearing that she agreed to stay, his grip on her slackened.
听到她同意留下，他抓着她的手放松了。
相关例句：
Loosen and remove the diaphragm lock nut and lock washer, pressure plate and diaphragm from the valve stem.
松开和拆卸隔膜锁紧螺母和锁紧垫圈，从阀杆上往下压阀盘和隔膜。
Don't be so rigid; loosen up!
办事别那么死板，心眼儿放活泛点儿。
Drilling regulations, too, have been loosened to speed the development of the fields.
钻探条例亦已放宽，以加速油田的开发。
To do this, loosen the screws at the front and side.
为此，松开前面和侧面的螺钉。
I will not loosen my hands.
我不会松开我的手。
When his grip loosened she eased herself away.
他紧抓她的手松了一下，她便抽身而出。