the state of being calm and in control of your feelings or behaviour沉着；镇静；镇定- to keep/lose/recover/regain your composure保持／失去／恢复镇静
- He maintained his composure despite a desperate desire to laugh.尽管很想大笑出声，但他还是忍住，保持镇定。
Extra Examples- She answered with perfect composure.她从容自若地作了回答。
- She closed her eyes for a moment, to gather her composure.她把眼睛合上了一会儿，努力恢复镇静。
- She totally lost her composure and began shouting.她彻底按捺不住，开始大叫起来。
Oxford Collocations Dictionaryadjectiveverb + composureprepositionSee full entry Word Originlate 16th cent. (in the sense ‘composing, composition’): from compose + -ure.