if you only knew

常见例句

If you only knew!
要是您知道就好了！
Jesus says, “If you only knew the gift God has for you and who you are speaking to, you would ask me, and I would give you living water.
耶稣说，“如果你知道上帝给你的礼物，并且知道你在和谁说话，你就会问我，我就会给你救命水。
If you have trouble seeing Google as a monopoly -- and if you only knew Google from its lightning-fast search engine or its marvelous maps, you might -- Hall is happy to enumerate.
假如你只知道谷歌有超高速的搜索引擎以及神奇的地图，恐怕不会认为谷歌是一家垄断企业。如果是这样，霍尔很高兴为你一一列举。

If you knew only the third derivative of the function, you can have something quadratic in t without changing the outcome.
如果方程里有三阶导数,你就可以引入一个二次项,但是结果却不会变
耶鲁公开课 - 基础物理课程节选

It might be challenging, you may not like it, but if we knew that we only had to change our eating habits for 3 months to impact our physical health for the rest of our lives, would we do it?
FORBES: The Power of Tracking Your Numbers: Step #3