GRE重点词汇积累：waver

　　waver: 犹豫; to fluctuate between choices

　　1) to vacillate irresolutely between choices : fluctuate in opinion, allegiance, or direction

　　2) to move unsteadily back and forth. swing

　　3) to exhibit irresolution or indecision; vacillate: hesitate.

　　4) to become unsteady or unsure; falter:

　　5) waverer, waveringly, wavered, wavering, wavers

　　6) to sway back and forth; to become unsteady, shake, or tremble; to vacillate in making a decision or in opinion t

　　7) to move to and fro; to sway; to be unsettled in opinion

　　相近词汇：dither, falter, fluctuate, oscillate, vaciliate, flutter, wobble; alternate

　　wavering <> staunch

　　waver : irresoluteness

　　waver : resolution

　　1. If you waver too long before making a decision about which testing site to register for, you may not get your first choice.

　　2. In the twenty-first mile of the marathon, she wavered in her determination to complete the race, but the spectators cheered her on.