4 sentences for 客气 (kè​qi — polite)

1. 他对每一位客人都非常客气。

   tā duì měi yī wèi kè​rén dōu fēi​cháng kè​qi.

   He is very polite to every guest.

   Source: Dong Chinese Dictionary

2. 他脾气很温，说话总是很客气，从不随便发火。

   tā pí​qi hěn wēn, shuō​huà zǒng​shì hěn kè​qi, cóng bù suí​biàn fā​huǒ.

   He has a mild temperament, always speaks politely, and never loses his temper for no reason.

   Source: Dong Chinese Dictionary

3. 糗先生是这家书店的老板，平时对人非常客气。

   Qiǔ xiān​sheng shì zhè jiā shū​diàn de lǎo​bǎn, píng​shí duì rén fēi​cháng kè​qi.

   Mr. Qiu is the owner of this bookstore; he is usually very polite to everyone.

   Source: Dong Chinese Dictionary

4. 那个村民走上前，客气地问路过的士兵：“老总，去城里怎么走？”

   nà​gè cūn​mín zǒu shàng qián, kè​qi de wèn lù​guò de shì​bīng:“ lǎo​zǒng, qù chéng​lǐ zěn​me zǒu?”

   The villager stepped forward and politely asked the passing soldier, 'Sir, which way to the city?'

   Source: Dong Chinese Dictionary