keep up with趕得上；和…保持聯(lián)系
1.跟上,不落在…后面：
Hurry up,or you won't keep up with them.快點(diǎn),否則你就趕不上他們了.
Jane could't keep up with the rest of the class.簡(jiǎn)跟不上班里的其他同學(xué).
2.趕上(某思想、風(fēng)尚等)：
Young girls like to keep up with the latest fashions.年輕女孩喜歡趕最新潮流.
3.保持聯(lián)系,和…來(lái)往：
She still kept up with her classmates after graduation.
畢業(yè)后她仍然與她的同學(xué)保持聯(lián)系.
catch up with 趕上,追上；逮捕；處罰【強(qiáng)調(diào)原來(lái)有差距或落后,而經(jīng)過(guò)努力等逐漸追趕上】
make up for
補(bǔ)償；彌補(bǔ)；補(bǔ)救：
I have a lot of faults to make up for.我有許多缺點(diǎn)需要彌補(bǔ).
What he lacks in speed he makes up for in strength.他的力量彌補(bǔ)了他速度的不足.