keep with it 坚持下去, give up 放弃;

Don't feel like it 不想干;

You can't give up your goals, Baijie! You gotta keep with it! 白洁你不要放弃你的目标！你一定要坚持下去！

But I don't feel like it! 但是我不想干哦！

stay strong 你必须要坚强！

Stay strong! Just go run one mile, and you can relax for the rest of the day. K? 你必须要坚强！这样吧，今天出去跑一英里，然后就可以休息。怎么样？

I dunno. Maybe. 不知道。可能吧。

Stick to your guns 坚持下去

Stick to your guns and go exercise today! It's your New Years resolution to get fit! 坚持下去！你今天要去锻炼！这是你的新年决心啊！健身，减肥！