Someone is waiting for you at home. You'd better go back right now.

你回去吧，家里有人找你。

《新英汉大辞典》

You know, new clothes are best, and so are old acquaintances. I think, you'd better go back.

衣不如新，人不如旧，依我看来，你还是回去好些。

《新英汉大辞典》

You better go back to bed.

你最好回床上去睡。

youdao

You better believe it's sixty to seventy percent, and the further back you go in American history the closer it is to ninety and ninety-five percent.

你最好猜百分之六七十,要是你以后有机会学习美国历史的话,你会发现它在百分之九十到九十五之间

耶鲁公开课 - 古希腊历史简介课程节选

It would be better for us to go back to Egypt!

回埃及去不是更好吗？

耶鲁公开课 - 旧约导论课程节选

So I could communicate with Alice on agreements, but back home I'm going to go ahead and choose Alpha anyway; all the better if she's choosing Beta.

所以我可以和爱丽丝说好了,但回家之后我还是可以选α的,要是她还选β那就更好了

耶鲁公开课 - 博弈论课程节选

But if I thought the team did not have the quality to beat Cluj at home, then I had better go back to Brazil.

BBC: Set-piece leveller upsets Scolari

So I said we'd better go back.

BBC: The tale of the 'vanishing house' on Tory Island

Isn't it better to go back to the system of 16 exams, 18 exams?

BBC: News Online