'I'll just have to do it myself,' he grumbled.

“我只好自己动手了。”他咕哝着说。

《牛津词典》

I told myself it was part of growing up, and I should just be glad you could do things on your own now.

我告诉自己这是成长的一部分，我应该为你现在能独立做事而高兴。

youdao

No more do I have to make myself lower than you, and become your fan to interact with your page, I just have to like it.

上你的主页时，我再也不需要让自己低你一等并且成为你的粉丝，我只要随我的喜欢就行了。

youdao

I just don't think I could do it myself.

我只是不认为我自己可以那样做。

美国的出版市场 - SpeakingMax英语口语达人

What McDonalds is saying is that if I want a Big Mac I can just do it myself.

FORBES: How To Make A Big Mac At Home

It's not, you know, I don't just do music just to keep it all to myself.

NPR: Queen Latifah on 'Trav'lin' Light'

"Honestly, if my child was seriously showing signs of wanting to smoke pot, or even just try it, I'd probably buy it for them myself and make them do it at home, in a safe environment, just to make sure they're responsible, " commenter Rob Doerr wrote.

CNN: Parents vent over fake pot dangers