She bit her lower lip to keep it from trembling.

她咬着下唇不让它颤抖。

youdao

He tried to keep up a calm appearance, but his trembling voice gave him away.

他竭力想做出镇静的样子来，但是他发抖的声音却泄露了他的心情。

youdao

He tried to keep up a calm appearance, but his trembling voice gave him away.

他竭力想做出镇静的样子来，但是他发抖的声音却泄露了他的心情。

youdao