keep 打头的词组表示持续很长时间

keep down卧下, 镇压, 控制, 缩减, 保留 keep... from... v.阻止；避开 keep-fit 体操 keep at 坚持, 纠缠 keep quiet 保持安静 keep secret 保密 keep away 防范 keep after 一再提醒 keep shady 隐匿, 躲藏 keep watch 守望, 值班, 放哨 keep still 保持不动 keep time 会看拍子唱, 合着拍子跳 keep sore 保留得分 keep flat 必须平放 keep count 知道确切数目 keep-alive 点火电极 keep ahead 领先 safe keep 保管 keep balance 保持平衡