Suddenly, I saw her lips begin to tremble and tears begin to flow down her cheeks.

突然，我看到她的嘴唇开始颤抖，眼泪开始从她的脸颊流下。

youdao

He began to tremble so with fright that he had no voice left with which to beg for his life.

他吓得浑身发抖，连求饶的声音都没有了。

youdao

Pinocchio was beginning to tremble with fright.

皮诺乔开始吓得浑身发抖。

youdao

And they tremble. Standing on them is like trying to balance on a floating mattress.

VOA: standard.2010.03.29

The water on the surface of the pool rippled and the same breeze caused the aspen leaves to tremble.

NEWYORKER: Beginners

Obama is in danger of wresting that tradition away from Republicans, and mainline establishmentarian conservatives who grasp this are right to tremble.

FORBES: Romney's 'Gifts' Gaffe Highlights GOP Confusion On Obamanomics

The first round of the 2013 NCAA Tournament begins this week in Dayton, Ohio, which means that employers are officially beginning to tremble.

FORBES: March Madness Employee Productivity Problem Is Overstated, Yet Influences Corporate Change