waver

1. V-I If you waver, you cannot decide about something or you consider changing your mind about something. 猶豫不決; 躊躇

Some military commanders wavered over whether to support the coup. 一些軍隊指揮官對是否支持政變猶豫不決。

2. V-I If something wavers, it shakes with very slight movements or changes. 搖擺

The shadows of the dancers wavered continually. 舞者的身影搖擺不停。