poise

Despite being interrupted several times, the speaker maintained her poise and finished the talk.

(Chinese) 尽管几次被打断，演讲者依然保持沉着冷静，完成了演讲。

The young dancer performed with such poise that she looked like a seasoned professional.

(Chinese) 这位年轻舞者的表演姿态非常优美沉稳，看起来像个经验丰富的老手。