紧张

ease up───v.缓和；放松；减轻

tee up───v.置（球）于球座上；准备；安排

tone up───增强；提高（声调等）；使更健康

tune up───v.调整；调音；开始演奏

to ease up───放松

crease up───把……弄皱

tangle up───缠在一起

I tried not to tense up, or become obviously wary.───我尽量不让自己紧张，或者表现得非常警觉。

Just like your muscles need to relax after they tense up, you need to relax after short bursts of focused work.───正如你的肌肉在紧张之后需要放松，在短时间紧张工作之后，你也需要放松。

If you tense up, you can snap just like a dry branch.───如果你太紧张的话, 你就会象干树枝一样断掉.

She could feel herself tense up as he touched her arm.───他碰她胳膊时,她感觉自己紧张得不得了.

The morning I described above still makes me tense up some 7 years later.───我描述的那个早上，在7年之后想起来仍然令我神经紧张。

When we are under stress our bodies tend to tense up.───人一紧张，身体就会变僵硬。

Work swiftly, but don't tense up; relax your body and mind and never tighten up.───工作要赶不要急, 身心要松不要紧.

Tense up the muscles in both of your legs.───把两腿的肌肉绷紧。