by 
Pinyin: Lǐmào
Chinese: 礼貌
English: polite
Example sentence：
Zhēn shì yí ge yǒu lǐmào de háizi!
真是一个有礼貌的孩子！
What a polite kid!
Gēn zhǎngbèi jiǎnghuà yīnggāi yǒu lǐmào.
跟长辈讲话应该有礼貌。
You should be polite when speaking to the elder.
More Details about word “polite”：
http://www.talkinglearn.com/en/Chinese_English_Dictionary?word=polite
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