客气
polite;courteous;modest
他对人很~。He is very polite to people./双方~了一番,就开始谈正事。After a few words of courtesy,they got down to business./(对来客)别~。Please don’t stand on ceremony. or:Make yourself at home.(对主人)别~。Please don’t bother./您太~了。You are very kind indeed;It’s very kind of you./对待顾客很~treat customers with civility /~话polite words;words of courtesy
客气kè qì
pathogenous factors