If I only could see all the things you told me so much about!

要是我能看到你告诉我的那么多事情就好了！

youdao

What's your problem?—I only asked if you could help me for ten minutes.

你有毛病啊？我只是问问你能不能帮十分钟的忙而已。

《牛津词典》

If only I could have helped put matters right.

要是我当时能帮着把错误纠正过来就好了。

《牛津词典》

If only I could find a diamond that weighs one hundred forty carats!"

VOA: special.2009.07.18

And then, you start thinking, "Well, I could really start doing this if only X and if I had this person or if this technology existed or if this happened or this happened."

之后，你会开始思考，恩，只要某项条件成熟了，只要我认识这个人,或是如果这个技术存在,或是如果这个或那个发生了，我就能开始落实这个点子了“

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

And there are many people in sort of common sense who might think "Gee, if only I could just use my rationality, think reasonably and rationally and not let my emotions guide my behavior I'd be much better off."

有许多有常识的人,也许会想,要是我能用我的理性，合理思考,不让情感指导行为,我会做得更好“

耶鲁公开课 - 心理学导论课程节选

Always I had the sense that words concealed something, that if only I could abolish them I would discover what was actually there.

NEWYORKER: History of a Disturbance

Self-Awareness: If I could only choose one attribute to have, I would choose self-awareness.

FORBES: Golf: The Game Of Life

If I could only work a little bit faster, or the days were a little bit longer.

FORBES: The Right to Choose: Work and Motherhood