You're doing a great job! Keep it up!
你们干得非常棒！继续好好干吧！
There are fears that he will not be able to keep it up when he gets to the particularly demanding third year
有人担心他到了要求极其严格的'第3年时会坚持不下去。
If the steps you take are working, keep it up ．
如果你采取的措施奏效了,那就继续。
It's the media who keep dredging it up.
是媒体一直在翻旧账。
I knew you would make it! Just keep it up!
我就知道你能行的！坚持下去！
You did well, keep it up!
你干得不错，继续好好干！
Don't do it if you can't keep it up.
如果不能坚持下去就不要去做。