K 开头单词

keep watch on 监视

keep watch at night 守夜

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 the farce 假惺惺

keep up one's spirits 振作精神

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 under observation 仔细观察

keep trying 继续努力；不断尝试

keep track with 跟踪

keep track of time 记住时间；掌控时间

keep track of 记录；与…保持联系