shakiness英美网络 颤抖; 动荡不定; 假借阴影; 不稳定; 不稳固COCA.42255英英释义nounthe quality of being unstable and insecurethe shakiness of the present regimea shaky motionthe shaking of his fingers as he lit his pipeSynonym:shakingtremblingquiverquiveringvibrationpalpitation双语例句