不得而知 meaning in English
can make nothing of it; there is no knowledge of ...; there is no way of knowing.; unable to find out; unknown
Examples
- The compilers are unknown .
编录者是谁不得而知。 - I was by no means certain that he had noticed the sounds .
他是否注意到那种声音，那我就不得而知了。 - And still the cause of the phocomelia outbreak remained unknown .
然而，畸形儿病例大量发生的原因不得而知。 - What sophia's reflections were upon this occasion i cannot pretend to determine .
素绯雅对于这事怎样思前想后，我却不得而知。 - They had things one didn't know about in the background of their lives and minds .
他们的生活和思想背后都有旁人不得而知的东西。