我要是知道她的名字就好了。

If only I knew her name.

《牛津词典》

他要是搬到伦敦就好了。

It would be nice if he moved to London.

《牛津词典》

他要是紧紧抱住她就好了。

If only he would hold her close to him.

《柯林斯英汉双解大词典》

And humankind receives its first set of explicit laws, no more implicit, "Murder is bad." "Oh I wish I had known!"

人类要接受明确的律法，而非隐晦的，谋杀是不好的，哦！我要是早知道就好了“

耶鲁公开课 - 旧约导论课程节选

I wish it were closer so I can spend more time there.

要是它再近一点儿就好了，这样我们就能在那里多花一些时间。

纽约的公园 - SpeakingMax英语口语达人

If only we had died in the land of Egypt," the whole community shouted at them, "or if only we might die in this wilderness!

要是能死在埃及就好了“,人们像他们俩大喊，“或者我们能死在荒原中就好了“

耶鲁公开课 - 旧约导论课程节选