He knows if you've been bad or good, so you better be good, for goodness sake!

他知道你的表现好坏，所以看在上帝份上，你最好表现好！

youdao

Well, I'd better be off. Good day to you.

好啦，我该走了。再会。

《柯林斯英汉双解大词典》

You can choose to be a good winner or an even better loser whether you are competing against others or yourself.

无论你是与他人竞争还是与自己竞争，你都可以选择成为一个好的赢家或一个更优秀的输家。

youdao

"I wish I could give you the good answer, 'Yes,tomorrow will be a better day',"

VOA: standard.2009.12.20

If you are experienced, if you have, say, better ways of managing engineering team, this is a very good space you can be in.

如果你经验丰富，如果你有更好的管理方式，百度欢迎你加入。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Ok I've never even seen it, so that's good -- you must be better travelled than I.

有一部分，我从来没见过这是什么,很好，你们旅游的比我多哈。

麻省理工公开课 - 化学原理课程节选

Whenever you have something that gets 100% of its return from 15% of the months, you'd better be really good at timing.

FORBES

They know that politically, the NHS is well nigh untouchable - and that if you are going to dare suggest it needs a prod and a poke if not a good makeover, you'd better be ready to prepare the ground with a liberal dose of praise for NHS staff first.

BBC: What you think of reshaping the NHS

"We don't have the environment telling them nicely, 'OK you had a good week, but next week has to be better, and the next week again, '" he says.

WSJ: For Jurgen Klinsmann, Mediocrity Will Not Be Tolerated��U.S. Men's National Soccer Team