加点劲用英语怎么说

加点劲用英语可以翻译为 "put in some effort" 或 "put in some extra effort". 这个短语的来源可能源于中文语言中的"加点劲"这个短语，它的意思是在做某事时需要更多的努力或精力。
一些英文例句和中文翻译如下：
If you want to pass your exams, you're going to have to put in some extra effort. (如果你想通过考试，你就得加点劲。)
I know you're tired, but we need to put in some effort if we want to finish this project on time. (我知道你很累，但如果我们想按时完成这个项目，我们就得加点劲。)
It's going to take a lot of effort to get this project off the ground, but I know we can do it if we put in some extra effort. (这个项目要花很多精力才能启动，但我知道，如果我们加点劲，我们一定能做到。)