tremble

vi.

1. 發抖；震顫[（+with）]
   Her voice trembled with anger.

   她的聲音因憤怒而顫抖。

   They trembled with cold.

   他們冷得發抖。

2. 焦慮，擔憂[（+at/for）][+to-v]
   She trembled for her daughter's safety.

   她為女兒的安全而焦慮不安。

3. 搖晃，搖動
   The whole house trembled as the train went by.

   火車開過時，整幢房子都晃動。