山底下有一个小村子，很安静。

Shāndǐxià yǒu yí gè xiǎo cūnzi, hěn ānjìng.

At the foot of the mountain there is a small village; it is very quiet.

请把鞋子放在床底下。

Qǐng bǎ xiézi fàng zài chuángdǐxia.

Please put your shoes under the bed.

桌子底下有一只小猫。

Zhuōzi dǐxia yǒu yì zhī xiǎomāo.

There is a kitten under the table.