thaw out
US /θɔː aʊt/
UK /θɔː aʊt/

1.
2.
放松, 变得友好, 变得不拘束
to become more relaxed, friendly, or less reserved
:
•
After a few drinks, he started to thaw out and tell jokes.
喝了几杯之后,他开始放松下来,讲起了笑话。
•
The new student was shy at first, but she quickly thawed out with her classmates.
新学生一开始很害羞,但她很快就和同学们熟络起来。