Keep your composure.(保持冷靜。)

I'd lost more than my composure that afternoon.(那天下午我失去的不僅僅是鎮靜。)

Optimism is the composure after failure, the generosity in ordinariness, the unyieldingness after setbacks.(樂觀是失敗之后的鎮靜，樂觀是平凡中的曠達，樂觀是挫折后的不屈。)

The following day, he nearly lost his composure while speaking to the nation from the National Cathedral.(第二天，他在國家大教堂對全國講話時幾乎失去了鎮定。)

As the school year wears on, some students begin to show cracks in their composure, and frustration bubbles up.(隨著學年一天一天地過去，有些學生的沉著冷靜開始逐漸土崩瓦解，挫敗感開始向上翻涌。)

I felt disgusted at the little wretch's composure, since he was no longer in terror for himself.(我對于這個小可憐蟲的坦然態度極感厭惡，他已不再為他自己感到恐懼了。)

She was a little nervous at first but she soon regained her composure.(她起初有點緊張但很快就恢復了鎮定。)

All Hillary had to do was keep her composure and answer the questions, which she did very well.(希拉里所能做到的就是保持風度并回答問題，而她確實做得不錯。)

"Drink, then," replied he, still with the same cold composure.(“那就喝吧，”他回答著，依然冷酷如前，不動聲色。)

Maintain smile, composure and enthusiasm throughout your interview.(面試過程中一直保持微笑、鎮定和熱情。)