putting (or not putting) one's feet forward alternately in the same rhythm as the people one is walking, marching, or dancing with
(不)与他人一起走齐步(或合拍跳舞)。
〈喻〉(不)一致,(不)协调
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the party is clearly out of step with voters .很明显,那个党派与投票人不协调。
【物理】(两个或多个振动或别的循环现象)(不)同步。