to vacillate
01
摇摆, 晃动
to sway physically from side to side
例子
The candle 's flame vacillated in the drafty room, casting dancing shadows on the wall.
蜡烛的火焰在通风的房间里摇曳，在墙上投下舞动的影子。
02
犹豫, 摇摆不定
to be undecided and not know what opinion, idea, or course of action to stick to
例子
He had vacillated for weeks before finally choosing a car to buy.
在最终选择要买的车之前，他已经犹豫了好几周。
词汇树
vacillating
vacillation
vacillator
vacillate
vacill
