可以意會,不可言傳 [ㄎㄜˇ ㄧˇ ㄧˋ ㄏㄨㄟˋ , ㄅㄨˋ ㄎㄜˇ ㄧㄢˊ ㄔㄨㄢˊ; ke3 yi3 yi4 hui4 , bu4 ke3 yan2 chuan2] can be understood, but not described (idiom, from Zhuangzi 莊子); mysterious and subtle ◄ ►