He's worried the business will fall to pieces without him.

他担心没有了他企业将会倒闭。

《牛津词典》

Slowly but surely she started to fall in love with him.

虽然缓慢，但她确实开始爱上他了。

《柯林斯英汉双解大词典》

How could she have been so foolish as to fall in love with him?

她怎么这么傻，竟爱上了他？

《牛津词典》

They start to fall in love. But after he recovers, the girlfriend who left him when he got hurt tries to win him back.

VOA: special.2010.06.14

An order came for him to fall back and support our right.

VOA: special.2010.03.27

If the full House, as is likely, now votes to hold Mr Holder in contempt, it will in theory fall to federal prosecutors to bring him into line.

ECONOMIST: Executive authority v congressional oversight

Why, of all the doctors in the world, did it fall upon him to finally stop polio in its tracks?

CNN: Commentary: Heroes in lab coats

Armstrong knew the hammer was about to fall on him hard.

FORBES: Did Lance Armstrong Quit The Fight To Hide More Dirt?