我想把这幅画挂在墙上。

Wǒ xiǎng bǎ zhè fú huà guà zài qiáng shàng.

I want to hang this painting on the wall.

我睡房里的墙是粉红色的。

Wǒ shuìfáng lǐ de qiáng shì fěnhóngsè de.

The walls in my bedroom are pink.

他一不小心撞到了墙上。

Tā yī bù xiǎoxīn zhuàng dàole qiáng shàng.

He accidentally bumped into the wall.