I had better take it off and eat it.

我最好把它拿下来吃了。

youdao

While I stared at her, speechless, she explained that as the local inn would close at midnight and I had better betake myself thither without further delay.

当我盯着她，说不出话来的时候，她对我解释说，当地的旅馆半夜就会关门，我最好即刻就向那赶去，不容拖延。

youdao

I'm not clear about this matter, so I had better keep quiet.

我对这个问题不清楚，只能不赞一词。

《新英汉大辞典》

If we had good boards, I think they could certainly do a better job of that than the government can."

VOA: special.2009.10.30

I declare a variable called n. I'm not giving it a value yet, so I had better be careful.

我申明一个变量n，我先不给它赋值，所以我最好小心点。

哈佛公开课 - 计算机科学课程节选

My life would've gone better had I chosen to become a farmer instead of chosen to become a doctor.

我的生活本来会变得更好,如果我选择成为农民而不是医生的话。

耶鲁公开课 - 死亡课程节选

If I had better network coverage I could tell you more but bear with me.

FORBES: Shivering On the Eve of The General Strike in Spain

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

First of all, I had better explain what I mean.

BBC: Is there good news in HMV's collapse?