A simple test claims to offer the solution to making two people fall head-over-heels, by making them vulnerable to each other.

据说，一个简单的测试就能让两个人深深相爱，因为这个测试可以让对方看到自己脆弱的一面。

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A simple test claims to offer the solution to making two people fall head-over-heels, by making them vulnerable to each other. Why not give it a try?

据说，一个简单的测试就能让两个人深深相爱，因为这个测试可以让对方看到自己脆弱的一面。为什么不试试呢？

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It also found it now takes couples an average of 224 tweets, 163 text messages, 70 Facebook messages, 37 emails and 30 phone calls to fall head over heels in love.

研究还发现，现在的情侣平均只需要224条推特、163条短消息、70个脸书消息、37封邮件和30个电话，就能陷入热恋中。

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A concussion happens when the brain is shaken, often in a car crash or a fall or a strike to the head in sports.

VOA: special.2009.10.28

It was extremely popular. Katharine Graham died of head injuries three years later after a fall.

VOA: special.2009.04.26

Then he would fall down on the floor again like a ball of dirt and start rubbing the side of his head with his back foot as if he had no idea he had been doing any more than any frog might do.

VOA: special.2009.08.29

If I could choose anything for them to fall head over heels about it would be imagination and wonder.

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Working with sparse footage from the 1980s and '90s, O'Kane still manages to make us fall head over heels for the rag-tag bunch of Antioch College-educated misfits better known as the Gits.

NPR: The Gits' Mia Zapata Resurrected In Film

We have a cultural picture in our head of Isaac Newton as an upstanding British gentlemen who discovered gravity by having an apple fall on his head.

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