白纸黑字báizhǐhēizìTop 40000Meanings1. (written) in black and whiteCharacters used白white纸paper黑black字letterExamples1这zhè是shì白纸黑字báizhǐhēizì写xiě在zài这儿zhèr的de你nǐ怎么zěnme还hái怀疑huáiyí？It's written in black and white. How can you be in doubt?