"If you knew how great is a mother's love," Wendy told them triumphantly, "you would have no fear."

“如果你们知道母爱是多么伟大，”温迪得意洋洋地告诉他们说，“你们就不会害怕了。”

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If you knew how I suffered, you would pity me.

如果你知道我多么受苦，你会同情我。

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If you knew how much money I've made, you'd be amazed!

如果你知道我挣了多少钱，你肯定要吓坏了！

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How would it strike you if you knew nothing about it, if you had never heard of it before, if you open up the covers of this book for the first time?

如果你对新约一无所知，如果你对新约为所未闻，如果这是你，第一次翻开新约，会有什么感觉？

耶鲁公开课 - 新约课程节选

He thought that you could find wisdom and felicity even in advertisements if you knew how to tweak them properly.

NEWYORKER: Notable Quotables

If you knew how to control it, the Internet was a way of routing electricity, redirecting fleets of trucks, and turning security cameras on or off.

FORBES: IFTTT: San Francisco Startup Lets Anyone Control The Internet of Things

As Mr Mishkin made clear at Jackson Hole, estimating by how much is an inexact business, even if you knew how far house prices would drop, which no one does.

ECONOMIST: Amid the gloom