不得而知

Chinese

must not; should not; not be allowed
must not; should not; not be allowed; to not receive
 
and; as well as; but (not)
and; as well as; but (not); yet (not); (shows causal relation); (shows change of state); (shows contrast)
 
to know; to be aware
simp. and trad.
(不得而知)
不得

Etymology

使不得而知 [MSC, trad.]
使不得而知 [MSC, simp.]
From: 8th century, Han Yu, 《爭臣論
Fū yáng zǐ è shàn shàng zhě, è wèi rén chén zhāo qí jūn zhī guò ér yǐ wèi míng zhě, gù suī jiàn qiě yì, shǐ rén bùdé'érzhī yān. [Pinyin]
(please add an English translation of this usage example)

Pronunciation


Idiom

不得而知

  1. to be unable to know or find out; to remain unknown; to be unable to ascertain