Englishvacillate
verb
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;
Scottish swither;
informal dilly-dally, shilly-shally, blow hot and cold.