词典释义：
做准备工作；做热身动作；放松
Relax, smile; loosen up in mind and body.
放松，微笑；身心俱放松。
I must take some exercise and loosen up my muscles.
我必须运动一下，放松放松肌肉。
The officials have been instructed to loosen up on the rules for admitting people into the country.
官员们接到指示，放宽入境规定。
Loosen up your muscles, please.
请放松您的肌肉。
Or should neat freaks loosen up?
还是洁癖鬼该放松一下？
warm up in preparation for an activity
（在竞技或某种其他活动之前）做准备工作；做热身动作
早点来，活动一下身体，练习投几次篮。
make or become relaxed
（使）放松
他们教我上班时开心点儿，要学会放松点儿
(
啤酒慢慢让他放松下来。
My mom thinks I'm a prude. I know. She thinks I should loosen up and get laid more.
我母亲觉得我一本正经，我知道，她认为我需要放松，多做点爱。
《The Good Wife Season 5》《傲骨贤妻 第五季》
Well, I've been playing it for like eight hours, it'll loosen up. Come on, check out the scores. Oh, and also look at the initials, they're dirty words.
我打了八小时的电动，它会放松的，看看我的记录，看看我编的名字，它们全是脏话。
《Friends Season 8》《老友记 第八季》
Don't mention it! Just loosen up, OK, buddy? Oh, you guys. You really nailed him. Bye.
别客气! 放轻松,好吗,伙计? 啊, 你们这些伙计，你们说到点子上了，再见。
《Finding Nemo》《海底总动员》
