When we are under stress our bodies tend to tense up.

当我们处在压力之下时，我们的身体往往会绷紧。

I tense up during an interview.

我今天下午有面试。

Try not to tense up your whole body.

尽量不要紧张，你的整个身体。

Right before I go on camera, I tense up.

每当我要站在镜头前我就会紧张起来。

To help you stay balanced, don't tense up.

为了帮助你保持平衡，不要紧张起来。