Definition: If your voice shakes, you sound very nervous or frightened. Level: C2
当她试图道歉时，她的声音颤抖了。
Her ___voice ___shook as she tried to apologize.
当他站起来发言时，他的声音在颤抖。
When he stood to give his speech, his ___voice was ___shaking.
尽管做了准备，一阵明显的颤抖让她的声音在整个演讲过程中都颤巍巍的。
Despite her preparation, a noticeable tremor made her ___voice ___shake throughout the presentation.
