Quiver is also a noun.
颤抖 • I recognized it instantly and felt a quiver of panic. 我立刻认出它了,感到一阵惊恐的颤抖。
If you say that someone or their voice is quivering with an emotion such as rage or excitement, you mean that they are strongly affected by this emotion .
(声音因愤怒或激动而) 颤抖