Word: 变质 (biànzhì) Traditional: 變質 变质 dictionary entry biànzhì to degenerate; to go bad; metamorphism Full dictionary entry for 变质 Example sentences using 变质 2 sentences, showing page 1 of 1. 牛奶变质了。 Niúnǎi biànzhì le. The milk has gone bad. 这些肉已经变质了，别吃了！ Zhèxiē ròu yǐjīng biànzhì le, bié chīle! This meat has gone off, so don't eat it!