One of the mysteries of the English language finally explained.
1‘I had for a time vacillated between teaching and journalism’
dither, be indecisive, be irresolute, be undecided, be uncertain, be unsure, be doubtful, waver, teeter, temporize, hesitate, oscillate, fluctuate, keep changing one's mind
British haver, hum and haw
informal dilly-dally, shilly-shally, blow hot and cold
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