keep up
phrasal verbkeep up
- if particular weather keeps up, it continues without stopping
（天气）持续不变 - The rain kept up all afternoon.
雨下了整整一个下午。
- The rain kept up all afternoon.
keep up (with somebody/something)
- to move, make progress or increase at the same rate as somebody/something
（与…）齐步前进，并驾齐驱；跟上 - Slow down—I can't keep up!
慢点，我跟不上了！ - I can't keep up with all the changes.
我并非所有的变化都能跟得上。 - Wages are not keeping up with inflation.
工资赶不上通货膨胀。
- Slow down—I can't keep up!
keep somebody up
- to prevent somebody from going to bed
使某人熬夜（或开夜车、不睡觉） - I hope we're not keeping you up.
希望我们没有耽误你睡觉。
- I hope we're not keeping you up.
keep something up
- to make something stay at a high level
使某事物保持在高水平 - The high cost of raw materials is keeping prices up.
昂贵的原料费用使价格居高不下。
- The high cost of raw materials is keeping prices up.
- to continue something at the same, usually high, level
使某事物保持（在同一水平，通常指高水平） - The enemy kept up the bombardment day and night.
敌人昼夜轰炸不停。 - We're having difficulty keeping up our mortgage payments.
我们难以继续偿还按揭贷款。 - Well done! Keep up the good work/Keep it up!
干得好！继续好好干吧！
- The enemy kept up the bombardment day and night.
- to make something remain at a high level
使处于高水平；使不低落 - They sang songs to keep their spirits up.
他们唱歌以保持高昂的情绪。
- They sang songs to keep their spirits up.
- to continue to use or practise something
沿用（或沿袭、保持）某事物 - to keep up old traditions
保持老传统 - Do you still keep up your Spanish?
你还坚持说西班牙语吗？
- to keep up old traditions
- to take care of a house, garden, etc. so that it stays in good condition
保养，维护（房屋、花园等）