客气
kèqi
polite; courteous
In a story
高先生五十多岁，戴着眼镜，说话很慢，显得很客气。Mr Gao was in his fifties, wore glasses, spoke slowly and seemed very polite.太便宜的房子 · The Flat That Was Too Cheap · HSK 3
Grammar with 客气
不敢当
不敢当 — you flatter me
什么X不X（的）
什么X不X（的）— never mind about X
无非
无非 — nothing more than
连A带B
连A带B — both A and B together
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