使表情（或思绪等）镇定
to try to make yourself look or feel calm after being angry or upset
I tried to compose my features into a smile. 我极力使表情平静下来，露出一丝微笑。
He took a minute or two to compose his thoughts before he replied. 他用一两分钟平静了思绪后才作出回答。
Give yourself a second or two to compose your thoughts before you answer.
When I saw the present, I managed to compose my features and thank her.
We watched as Collins struggled to compose his features.
See also: compose (BECOME CALM)