震動,顫抖,動搖
Shakiness \Shak"i*ness\, n. Quality of being shaky.
shakiness n 1: a shaky motion; "the shaking of his fingers as he lit his pipe" [syn: {shaking}, {trembling}, {quiver}, {quivering}, {vibration}, {palpitation}] 2: the quality of being unstable and insecure; "the shakiness of the present regime" [syn: {ricketiness}]