be unsteady or uncertain
"there was a hesitation in his speech"
"Authorities hesitate to quote exact figures"
"Their enthusiasm is faltering"
"the line on the monitor vacillated"
"the candle flickered"
In war..his hostility never wavered, just as..loyalty to his own side never wavered.
出自： L. P. Hartley
I began to waver in my vegetarianism.
出自： L. Blue