I trembled at the thought of having to make a speech.

我一想到得发表演讲心里就发怵。

《牛津词典》

She trembled at the lion's roar.

听到狮吼， 她浑身发抖。

youdao

She trembled at the sight of it.

她一看到这情景就发抖。

youdao

The judgment was eventually set aside, but not before the sports world had collectively trembled at its implications.

ECONOMIST: Does the end justify the means?

Money was invested, offices opened at home and abroad, award-winning journalists hired and sections added until the former light-weight rag had grown so hefty that doorsteps trembled at its descent.

ECONOMIST: Otis Chandler

At last, his muscles and eyes trembled.

NEWYORKER: The Yellow