composure
US /kəmˈpoʊ.ʒɚ/
UK /kəmˈpoʊ.ʒɚ/

1.
镇定, 沉着, 泰然自若
the state or feeling of being calm and in control of oneself
:
•
She maintained her composure despite the difficult questions.
尽管问题很困难,她仍然保持着镇定。
•
He lost his composure and started shouting.
他失去了镇定,开始大喊大叫。