亘古不变 Traditional 亙古不變 gèn gǔ bù biàn 🔊 unchanging since times immemorial (idiom) + Keep this word Meanings gèn gǔ bù biàn 亙古不變 unchanging since times immemorial (idiom)unalterableunvaryingmonotonous Its characters 亘gènextending all the way across古gǔancientHSK 5不bùnot; noHSK 1变biànto changeHSK 3