- 说一不二 shuōyībù'èr [idiom] to mean what one saysTo keep one's word; to be as good as one's word or stand by what one says.
- 不二法门 bù'èrfǎmén path to enlightenmentOriginally a Buddhist term for the one and only gateway to absolute truth or enlightenment
- 不二价 bù'èrjià fixed priceA set price for goods that is the same for all customers and is not open to bargaining; same as [[一口价|一口價|yi1 kou3 jia4]]
- 誓死不二 shìsǐbù'èr pledge to be true until death(literary) to swear to remain faithful until death; describes an unwavering will or loyalty
- 食不二味 shíbù'èrwèi to eat frugallyto have only one kind of food at a meal; used to describe a simple and frugal lifestyle
- 划一不二 huàyībù'èr fixed price(of prices) fixed and unalterable; not allowing for bargaining; one price for all customers
- 孙不二 sūnbù'èr Sun Bu'erDaoist priestess of the Quanzhen school and the only female member among the Seven True Daoists of the North (1119-1182)
- 言不二价 yánbù'èrjià fixed pricesThe prices are fixed; no bargaining allowed.