他因在压力下保持冷静而受到赞赏。

He was admired for his ___coolness under pressure.

一定的冷静是度过危急情况所必需的。

A certain ___coolness is necessary to survive critical situations.

她在危险面前的冷静挽救了一天。

Her ___coolness in the face of danger saved the day.