一成不易 yīchéngbùyì unchangeable Definitions Defs Origin Strokes Stroke Words Sentences Sents 一成不易 yīchéngbùyì unchangeable fixed and unalterable; set in stone; remaining the same forever Cross-References Same as 一成不变 yīchéngbùbiàn
一成不易 yīchéngbùyì unchangeable fixed and unalterable; set in stone; remaining the same forever Cross-References Same as 一成不变 yīchéngbùbiàn
