门柱

tā de tóu zhuàng zài mén zhù shang pèng pò le

她的头撞在门柱上，碰破了。

She knocked her head on the doorpost and hurt it.

wǒ zhuàng zài le mén zhù shang bǎ shǒu shāng le

我撞在了门柱上，把手伤了。

I've banged into the doorpost and hurt my hand.

qiú cóng mén zhù tán huí tā yǐ tóu qiú jiāng qiú gōng jìn

球从门柱弹回，他以头球将球攻进。

The ball rebounded from the goalpost and he headed it in.