calm confidence in a person's way of behaving, or a quality of grace (= moving in an attractive way) and balance in the way a person holds or moves their body
He looked embarrassed for a moment, then quickly regained his poise.他一时间显得尴尬，但很快又恢复了平静。
Her confidence and poise show that she is a top model.她的自信与镇定表明她是一个十分优秀的模特。