不易 bùyì HSK5 difficult Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: unchanging All meanings 4 bùyì 4 difficult 3unchanging 1 1 sentence for 不易 (bùyì — unchanging) 在这个多变的时代,很少有永恒不易的法则。 zài zhège duōbiàn de shídài, hěn shǎo yǒu yǒnghéng bùyì de fǎzé. In this ever-changing era, few rules remain forever unchanged. Source: Dong Chinese Dictionary