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judge by/from 以……来判断……
Judging by/from…, 从……判断，……
jump with joy 高兴地跳起来
keep (sb./sth.) away from 阻止、远离
keep a certain distance away 保持一定距离
keep a strict eye on sb./sth. 密切地关注……
keep as a young man 年轻时候
keep back ①阻止、阻挡、使……后退 ②扣留、保留
keep fit 保持身体健康
keep good hours 保持良好的生活节奏
keep in touch with 与……保持联系
keep off 使……离开
keep on doing sth. 持续做某事
keep one's promise/words 遵守某人的诺言
keep out 使……不进入
keep quiet 保持安静
keep sb. doing sth. 让某人一直做某事
keep sb. from doing sth. 阻止某人做某事
keep silent 保持沉默
keep sth. in check 阻止、防止、阻碍
keep the record 保持纪录
keep the rules 遵守规则
keep up 维持、保持(精神状态)
key points 要点
kiss each other goodbye/hello 与某人亲吻再见/问好
knock at/on the door/window 敲门、窗
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