totter, unnerve, faze, fluctuate, jounce, falter, oscillate, enervate, seesaw, stagger, waver, depolarize, vibrate, shaken, ferment, wabble, shake, churn, teeter, vacillate, wobble, rock, weaken, agitate, unsettle, sway, vacillation, hesitate

electric light, CL:盞|盏[zhan3]

先后顺序

采取一定方法处理，应付

for many years

engage in mountain-climbing, sport