他虽然个子矮，但打篮球特别厉害。

tā suīrán gèzi ǎi, dàn dǎ lánqiú tèbié lìhai.

Although he's short, he's really good at basketball.

这张桌子太矮了，坐着写字不舒服。

zhè zhāng zhuōzi tài ǎi le, zuòzhe xiězì bù shūfu.

This table is too low; it's uncomfortable to sit and write at.

我妹妹小时候很矮，上了高中突然长高了。

wǒ mèimei xiǎoshíhou hěn ǎi, shàng le gāozhōng tūrán zhǎng gāo le.

My younger sister was very short as a child, but suddenly grew tall in high school.