Oh, if only you could be here, too!

真的太好了！哦，如果你也能来这儿该有多好啊！

youdao

You think if only you could pull in more air, you could surge up that hill or maintain your pace.

如果你认为只要吸入更多的空气，你就可以维持你的步伐爬上那座山。

youdao

If only you had purchased a pair of green spectacles, you could have saved these flowers and trees and pots and all the other articles and also could have saved a large share of his fortune.

你要是只买了一副绿色的眼镜就好了，这样你就可以留住这些花草树木，盆盆罐罐和其他所有物品，同时也能省一大笔钱。

youdao

The experts said you could get infected only if you sit within two rows of someone who is sick.

VOA: special.2009.07.14

If only you had seen the light and stuck to the soul theory of personal identity, all these problems could be avoided.

如果你们能够领悟真谛，接受灵魂理论，这些麻烦就自然消失了。

耶鲁公开课 - 死亡课程节选

So if you put 1 and 2 together you can get only changing things could be destroyed.

把1和2放在一块儿就可以得出,只有能改变的东西能毁灭。

耶鲁公开课 - 死亡课程节选

Oh, if only you could be here, too!

NEWYORKER: See the Other Side

Before: You could only tag someone if you were friends with them, and you could only tag a Page if you had liked it.

FORBES: Facebook Finally Helps Users Avoid Being Tagged in Embarrassing Photos, But Also Expands Who Can Tag

Imagine if you could only show your house three times a year if you were trying to sell it, or if you were trying to sell your car but could only show it three times a year.

FORBES: Government Shuts Down Yard Sale of Woman Raising Money to Pay for Medical Bills