妈妈从小就教我们不能没有礼貌。

Māma cóngxiǎo jiù jiāo wǒmen bù néng méiyǒu lǐmào.

Ever since I was little, mother taught me not to be impolite.

礼貌对我来说很重要！

Lǐmào duì wǒ láishuō hěn zhòngyào!

Manners are very important to me!

这客人也太没礼貌了吧！

Zhè kèrén yě tài méi lǐmào le ba!

This customer is too impolite!