One of the kids fell into the river.

小孩中有一个掉进了河里。

《牛津词典》

The town fell into enemy hands.

那个小镇落到敌人手里了。

《牛津词典》

Una soon fell into a deep sleep.

尤纳很快就睡熟了。

《柯林斯英汉双解大词典》

But at the end of the third day she fell into unconsciousness and died.

VOA: special.2011.02.26

And perhaps this is that doom which Adam fell into of knowing good and evil, that is to say, of knowing good by evil.

似乎是注定了的，亚当要掉进善恶的知识中,也就是说，了解善恶。

耶鲁公开课 - 弥尔顿课程节选

I tripped and fell into a manhole

我给绊了一下，跌进了一个窨井。

I have 实战 - SpeakingMax英语口语达人

By 1928 the source of water had changed, and the building fell into disuse.

UNESCO: Historical Waterworks Building wins Heritage Award

Over the years, the market fell into disrepair and was abandoned as malls and other shopping options grew.

BBC: Souq Waqif, Doha��s resilient, labyrinthine market

While awaiting trial, he fell into a depression, and briefly checked himself into a hospital.

NEWYORKER: No Secrets