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历史:
CET-4 CET-6 考研 TOEFL GRE BNC: 7609 COCA: 6023
loosen
loos·en / 5lusn ; 5lu:sEn /verb
1. I,Tto make something less tight or less firmly fastened, or to become less tight or less firmly fastened(使)变松; 松开;ANTtighten
You'll need a spanner to loosen that bolt.你需要扳手来拧开那个螺栓。
The screws have loosened.螺丝松了。
Harry loosened his tie.哈里松开了领带。
picture atUNDRESS
2. Tto make laws, rules etc less strict使〔法律、规定等〕放宽;SYNrelax; ANTtighten
Congress has loosened the restrictions on immigration.国会已放宽了移民限制。
3. loosen your grip / hold
a. to reduce the control or power you have over someone or something放松〔对…的〕控制(操纵):
[+ on ]
The government has loosened its hold on the media considerably.政府对媒体的控制已大大放松了。
b. to start holding someone or something less tightly than you were before松开手;ANTtighten
[+ on ]
He loosened his grip on David's arm.他松开了抓着戴维胳膊的手。
4. loosen sb's tongue to make someone talk more than usual, especially about things they should not talk about使某人说话不拘束〔尤指说不应该说的事〕
 PHRASAL VERBS 
loosen up
1. to stop worrying and become more relaxed, or to make someone do this(使)无拘无束,(使)放松:
She loosened up after she'd had a drink.一杯酒下肚她便放松了下来。
loosen sb
up
His welcoming smile helped loosen her up.他那亲切的笑容使她放松了下来。
2. if your muscles loosen up, or if something loosens them up, they stop feeling stiff(使肌肉)活动开来,放松:
loosen sth
up
A massage will loosen up your joints.按摩可以放松关节。

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