不及物动词

1. 动摇;犹豫
If you waver, you cannot decide about something or you consider changing your mind about something.

2. 摇晃;摇曳
If something wavers, it shakes with very slight movements or changes.

1. the act of moving back and forth

Synonym: flutterflicker

2. the act of pausing uncertainly

e.g. there was a hesitation in his speech

Synonym: hesitationfalterfaltering

3. someone who communicates by waving