Definition: to become more relaxed with other people Level: C2
过了一会儿，他就放松下来了。
After a while he ___loosened ___up.
你需要找到能让你放松下来的东西。
You need to find something that makes you ___loosen ___up.
在派对上喝了一两杯酒，她才放松下来。
It took a drink or two for her to ___loosen ___up at the party.
