1. 颤抖的：quadriplegic 四肢瘫痪的人 | quavering 颤抖的 | respond to 对 ...作出的回应

2. 震动的：quaver 颤抖 | quavering 震动的 | quaveringly 震动地

3. 颤抖：quaver /颤动/八分音符/ | quavering /颤抖/ | quaveringly /颤声地/震动地/

adj

1. (of the voice) quivering as from weakness or fear

e.g. the old lady's quavering voice
spoke timidly in a tremulous voice

Synonym: tremulous