You must do it yourself的意思|示意

No matter how difficult the homework is, you must try to do it yourself and finish it on time.

无论作业有多难，你都必须自己做，并按时完成它。

If you plan to take on this do-it-yourself task, you must be willing to do some hard labor.

如果你能接受这个计划都需自己的任务，你一定会愿意做一些苦役。

Now that you have grown up, you must do it by yourself.

既然你已经长大了，就必须自己做这件事。

Or who says that you yourself must do it?

谁又说你必须亲自去做？

No one can help you. You must do it yourself.

没有人能帮你。这事你必须自己干。

So, pick any one of the things that must get done right now, tell yourself you are going to dominate at it, and do just that one thing no matter how big or small.

所以，挑一件马上要完成的事情，告诉自己你要一心完成它，然后不过事情大小，马上去做。