loosen up

US /ˈluːsən ʌp/
UK /ˈluːsən ʌp/
"loosen up" picture
1.

放松, 放轻松

to relax, especially after being tense or nervous

:
You need to loosen up a bit before your presentation.
你在演讲前需要放松一下
After a few drinks, he started to loosen up and enjoy the party.
喝了几杯酒后,他开始放松下来,享受派对。
2.

松开, 放松

to make something less tight or rigid

:
Can you help me loosen up this knot?
你能帮我解开这个结吗?
The screws need to be loosened up before you can remove the panel.
在拆下面板之前,需要松开螺丝。