内容介绍：keep (使)保持 keep fit 保持健康 keep sth away 远离…… keep (sb / sth) doing sth （使某人 / 某物）持续做某事 keep a diary 写日记 keep sb / sth from (doing) sth 阻止某人 / 某物(做)某事 keep going 尽力维持下去；坚持(活)下去 keep off 避开；(使)丌接近 keep o