There is no knowledge of There is no way of knowing unable to find out can make nothing of it
How such extensive damage could have been sustained so quickly remains unexplained.
如何这么快就造成这么大的破坏依然不得而知。
—— 柯林斯例句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。
—— 辞典例句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。
—— 辞典例句What happens after death is beyond our ken.
死后会怎样我们不得而知。
—— 辞典例句They are not assured of consistency from their bench.
他们球队的板凳是否能够保持稳定的发挥还不得而知。
—— 给力词典精选