Definition: to move backward and forward or from side to side, or to make someone or something do this Level: C2
她在椅子上前后摇晃。
She ___rocked back and forth on her chair.
他轻轻摇晃婴儿入睡。
He gently ___rocked the baby to sleep.
猛烈的风暴使船前后摇晃。
The violent storm was ___rocking the ship back and forth.
