开始前，先深吸一口气。

Before you start, ___take ___a ___deep ___breath.

每当我感到焦虑时，我都会试着深吸一口气。

Whenever I feel anxious, I try to ___take ___a ___deep ___breath.

我听到一声巨响，本能地深吸了一口气。

I heard a loud noise and instinctively ___took ___a ___deep ___breath.