jump on 1. 跳上 He jumped on the train. 他跳上火车。 2. 向…猛扑，突然袭击 He was waiting round the corner and jumped on me in the dark. 他守候在拐角处，乘着黑暗向我猛扑过来。 3. 〈俚〉责备，责骂，严厉批评 jump on sb. (或 sb.'s back) for the slightest fault 为小小的过失责骂某人 He'll jump on every little mistake you make. 对你所犯的每一个小错他都会痛叱一顿。