K 开头单词
keep watch 看守;值班;放哨;提防
keep warm 保暖
keep up-to-date 赶时髦
keep up with the joneses 与…攀比,比阔气;赶上别人
keep up with 赶得上;和…保持联系
keep up to date 使记到最近时期;赶上时代潮流
keep up to 不断更新
keep up one's spirit 打起精神
keep up on 跟上
keep up 保持;继续;不低落;不落后
keep under wraps 秘而不宣 保密
keep trying 继续努力;不断尝试
keep track of time 记住时间;掌控时间
keep track of 记录;与…保持联系