不得而知

bù dé ér zhī

HSK 等级: HSK 7–9

释义

unknown; unable to find out

在应用里学习 → 按笔顺书写

汉字

不bùno, not, un-; negative prefix一得déto obtain, to get, to acquire; suitable, proper; ready彳旦寸而érand, and then, and yet; but 知zhīto know, to perceive, to comprehend矢口