save up 节省
eat up 吃光
stay up / sit up 熬夜不睡觉
light up 照亮; (脸上)呈现高兴的情绪
look up 抬头看; 查找; 好转
blow off 吹掉;埋怨;炸掉
break off 突然中断;停止;与…断绝关系
call off 叫走;取消
carry off 夺走;抢走;获得奖品; 叼走
come off 脱落;举行;结果
cut off 切下;剪下;切断
cross off/out 勾掉;划掉
die off 相继死去
fall off 跌落;减少;脱落;衰退
knock off 撞落; 撞倒
