keep up
- 跟上，赶上（其他人或其他事物的变化或进步）;坚持，保持;（使）继续下去，（使）不停止;不落后，并驾齐驱;（使）熬夜;（士气等）保持高昂;（使）不下降;（使）不倒下;继续假装;（使）浮起;（使）保持良好状态;（天气）持续不变
keep upkeep up
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1
PHRASAL VERB （与…）齐步前进；不落后（于…）
If you keep up with someone or something that is moving near you, you move at the same speed.She shook her head and started to walk on. He kept up with her.
她摇了摇头开始往前走。他跟了上去。
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2
PHRASAL VERB 跟上（变化等）
To keep up with something that is changing means to be able to cope with the change, usually by changing at the same rate....wage increases which keep up with inflation...
与通货膨胀同步的工资增长
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3
PHRASAL VERB 跟上（活儿、人等）；同…做（或理解）得一样好
If you keep up with your work or with other people, you manage to do or understand all your work, or to do or understand it as well as other people.Penny tended to work through her lunch hour in an effort to keep up with her work...
为了把活儿干完，彭妮常常午饭时间也要工作。
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4
PHRASAL VERB 了解；熟悉
If you keep up with what is happening, you make sure that you know about it.She did not bother to keep up with the news.
她不愿花时间去了解最新消息。
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5
PHRASAL VERB 继续做（或提供）
If you keep something up, you continue to do it or provide it.I was so hungry all the time that I could not keep the diet up for longer than a month...
我无时无刻都觉得饿，节食坚持不到一个月就放弃了。
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6
PHRASAL VERB 使不减少（或降低）
If you keep something up, you prevent it from growing less in amount, level, or degree.There will be a major incentive among TV channels to keep standards up...
将会有重大举措鼓励各电视频道维持高标准。
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7
See also:keep 23;25
verb
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1
- prevent from going to bed at night
- The anticipation of the trip kept the children up all night
- I kept myself up all night studying for the exam
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2
- keep informed
- He kept up on his country's foreign policies
- Synonym: keep abreast follow
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3
- maintain a required pace or level
- He could not keep up and dropped out of the race
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4
- keep in safety and protect from harm, decay, loss, or destruction
- We preserve these archeological findings
- The old lady could not keep up the building
- children must be taught to conserve our national heritage
- The museum curator conserved the ancient manuscripts
- Synonym: conserve preserve maintain
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5
- lengthen or extend in duration or space
- We sustained the diplomatic negotiations as long as possible
- prolong the treatment of the patient
- keep up the good work
- Synonym: prolong sustain
数据来源：WordNet
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It is difficult to keep up with the rapid pace of change .
跟上迅速的变化是很困难的。
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Things are changing so fast , it 's hard to keep up .
事情变化得太快了，很难跟上形势。
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I can 't keep up with all the changes .
我并非所有的变化都能跟得上。
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It pays to keep up to date with your work .
工作能跟上时代是有利的。
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Slow down ─ I can 't keep up !
慢点——我跟不上了！
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When she lost all her money , she was determined to keep up appearances .
她把钱全亏光时，决意佯装若无其事。
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The little ' uns couldn 't keep up .
小不点儿跟不上了。
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She was unable to keep up the pretence that she loved him .
她无法继续假装爱他了。
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She is struggling to keep up with her schoolwork .
她在努力完成作业。
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They were unable to keep up the instalments .
他们未能继续按时交付这笔分期付款。
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She did not bother to keep up with the news .
她不愿花时间去了解最新消息。
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Many people were holding down three jobs just to keep up with the Joneses .
许多人同时做3份工作只不过是为了和别人攀比。
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The company agreed to keep up high levels of output in order to compensate for supplies lost
这家公司同意保持高产量以弥补供货丢失带来的缺口。
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If you don 't keep up payments you could be evicted .
如果不继续交费，你会被赶出去。
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Penny tended to work through her lunch hour in an effort to keep up with her work
为了把活儿干完，彭妮常常午饭时间也要工作。
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They risk losing their homes because they can no longer keep up the repayments .
因为无力继续偿还借款，他们面临无家可归的危险。
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She was skipping to keep up with him .
她连蹦带跳地走着，好跟上他的步伐。
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If homeowners can 't keep up the payments , they face foreclosure
业主如果未能按时交房贷，就会面临丧失抵押品赎回权的危险。
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The two saleswomen were busily trying to keep up with the demand .
那两名女售货员正忙着接待顾客。
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He lengthened his stride to keep up with her .
他迈大步追上她。
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She began to walk faster , but he lengthened his stride to keep up with her
她开始加快步子，但他加大了步幅跟着她。
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He can 't keep up with others in his work .
他干活儿跟不上趟儿。
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Would you slow down ? I can 't keep up !
你走慢点儿行不行，人家跟不上啊！
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The meat prices keep up to last month 's level .
肉价与上月一样高。
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We must keep up with the times .
我们必须跟上时代前进的步伐。
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I had to run to keep up to the girls .
我得跑去追上那些女孩。
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The work is too difficult for me and I am not able to keep up .
工作太困难了，我难以赶上别人。
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Move your young legs faster and keep up with the teacher .
小腿儿捯快点儿跟上老师。
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I still keep up my acquaintance with him .
我仍然和他保持朋友关系。
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It is nowadays a common practice to keep up with the joneses .
如今攀比成风。