不得而知

bù dé ér zhī
HSK 3.0 等级 7

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释义

  1. 1. unknown
  2. 2. unable to find out

不得而知 的构成词

不
bù

no; not so

得
dé

to obtain

得
de

structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc

得
děi

to have to

而
ér

and

不得
bù dé

must not

知
zhī

to know