She split her head open on the cupboard door.

她碰到碗橱门上把头碰破了。

《牛津词典》

She had fallen and cut her head open.

她摔了一跤，把头磕破了。

《牛津词典》

The sharp stone cut his head open.

这块尖石头把他的头割破了。

youdao

I had my head in and was about to open the lantern, when my finger slid on a piece of metal and made a noise.

VOA: special.2009.05.16

If he splits his head open and there's blood everywhere, I'm less likely to laugh unless I don't like him or something.

如果他摔个头破血流，我就笑不出，除非我很讨厌这个人。

耶鲁公开课 - 心理学导论课程节选

The government has responded by saying the case against the American head of Union Carbide at the time of the leak is still open.

VOA: standard.2010.06.10

But the ECB is a large holder of toxic Greek paper and has to stand prepared to buy more each time the market cracks its head open.

FORBES: Bond Prices Weaken As Stocks Rebound On Merger Monday

Toni Ainley, the council's head of open spaces, said "a number of complaints about activities not desirable to everyone, including drinking parties" had been reported.

BBC: Cambridge raves 'damaging' reserve wildlife

Upon hearing this, I had to stick my head out an open window to get some air.

CNN: I'm jealous of my baby -- a Mother's Day confession