If you stand up straight, you'll give an impression of self-confidence, even if you're quaking in your boots.

只要你站直了，就会给人一种自信的印象，哪怕你正紧张得发抖。

Tom, quaking with fear, yielded, and put his eye to the crack.

汤姆吓得发抖，走了过去，贴着裂逢往外看。

I just stood there quaking with fear.

我站在那儿，吓得发抖。

I stood there quaking with fear.

我站在那里，害怕得直发抖。

I stood there quaking with fear.

我站在那儿，吓得直打哆嗦。