Had I but rejoiced when I had reason to do so!

当我有理由高兴的时候，我要是高兴就好了！

youdao

It might have saved me some trouble had I known the schedule.

如果我知道日程安排的话，就不会那么麻烦了。

youdao

How much had I hurt him when I shouted at him earlier that day?

那天早些时候我对他大喊大叫，对他有多大的伤害？

youdao

I smiled -- for what had I to fear?

VOA: special.2009.05.16

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

I've had it for 6 years, but I've never had a problem.

我已经用了6年了，但是它从没出过什么问题。

I'm ~ing 实战 - SpeakingMax英语口语达人

One of colleagues said to me was, had I done anything with my 401(k) plan?

NPR: Listeners' Money Questions Answered

We get to do things I would never have imagined had I not been hired here.

FORBES: What Is It Like To Work At NASA?

The toughness we have had I didn't think was there and it was required.

BBC: Loss at Bolton is one of worst Everton displays - Moyes