His head hit the floor with a dull thud.

他的头砰的一声撞在了地板上。

《牛津词典》

Wilde fell and struck his head on the stone floor.

怀尔德跌倒了，头撞在石头地板上。

《柯林斯英汉双解大词典》

He picked his cap up from the floor and stuck it back on his head.

他从地板上捡起帽子，重新戴在头上。

《柯林斯英汉双解大词典》

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

Weep no more, woeful Shepherds weep no more For Lycidas your sorrow is not dead, Sunk though he be beneath the wat'ry floor, So sinks the day-star in the Ocean bed, And yet anon repairs his drooping head.

诗歌大意：，悲伤的牧羊人们不要再哭泣,利西亚斯并没有死去，虽然他被海水吞没，启明星也会沉入海底，不久便会修复他疲惫的头颅。

耶鲁公开课 - 弥尔顿课程节选

If you prefer your music to have a pounding four-to-the-floor beat then head to the cavernous Berghain in Friedrichshain, where techno-heads party with hedonistic abandon.

CNN: Berlin: Where to be seen

Zoom Zoom in the doll cradle, perhaps, or tucked in a towel on the floor, its head on a pincushion or a neatly folded Kleenex.

NEWYORKER: M&M World

In the waiting room on the executive floor, the head of risk from a subsidiary in a neighbouring country is pouring himself a coffee, having driven for an hour from his own office to talk about a new computer system.

ECONOMIST: Face value