• 继续追赶,责备,挑剔,反复地要求
• 追求,追赶,纠缠

keep up保持 继续 维持 跟上(时代)keepv.保持；保留；继续；贮藏；经营；遵守；供给；照管；饲养；耽搁；保持食物不变质；健康状况如何；保守（秘密@）；记录；遵守；保护n.生计；保存；城堡主楼；监狱；围墙keep abreast of times赶上时代的发展keep down one's anger捺住心头的怒火keep carrying forward继续推进Keep Warm Performance保暖性keep ... at bayholdkeep-alive polarity保活极性keeping death penalty保留死刑keep sth. from rust使某物不生锈keep on at one's work二硫化黄原酸二异丙酯keep up one's courage烷基黄原酸盐

1. Her mother had to keep after her to clean her bedroom.
   她母亲不得不反复提醒她打扫寝室。
2. The teacher had to keep after her pupils to do their homework neatly.
   教师一再嘱咐她的学生要把作业写整齐。
3. The police kept after the criminal until they seized him.
   警察紧紧追赶罪犯，直到把他抓住。
4. Sorry to keep after you, but can you tell me who's responsible for it?
   对不起老缠着你，但是你能告诉我谁应对此负责吗？