If you do not keep up with the payments you could lose your home.
如果你不继续付款，你的住房就可能保不住了。
Do you still keep up your Spanish?
你还坚持说西班牙语吗？
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。
It pays to keep up to date with your work.
工作能跟上时代是有利的。