震动,颤抖,动摇
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}]