| 单词 | vacillate |
| 例句 | vacillate verb •I vacillated between teaching and journalism:dither, waver, be indecisive, be undecided, be ambivalent, hesitate, be of two minds, blow hot and cold, keep changing one's mind, be conflicted | fluctuate, oscillate, hem and haw | informal dilly-dally, shilly-shally. |
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