You'd better go to bed and nurse that cold.

你最好上床睡觉，把感冒治好。

《牛津词典》

Anyway, I'd better go now—I'll see you tomorrow.

反正我现在还是走的好—明天见。

《牛津词典》

I think I'd better go now.

我想我最好现在就走。

《牛津词典》

In Miami, Florida, one man hopes a resolution from last year will go better in 2009: My name's Glenn Mitchell.

VOA: special.2009.01.01

I'd better go now.

我现在就得走了。

I'd better 实战 - SpeakingMax英语口语达人

Better to go down dignified With boughten friendship at your side Than none at all. Provide, provide!

最好是庄严地从你这里结束,这段买来的友谊,这比什么都没有要好，给予，给予！

耶鲁公开课 - 现代诗歌课程节选

When you get up in the morning, if you dont smell oil you better go find it.

FORBES: The sweet smell of oil

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

"Then you better go to New York!"

FORBES: The Informer