人知れぬ

ひとしれぬ

secret, hidden, unseen, inward

底知れぬ

そこしれぬ

bottomless

数知れぬ

countless; innumerable

やも知れぬ

やもしれぬ

may, might, perhaps, may be, possibly

言うに言われぬ

いうにいわれぬ

beyond expression, unspeakable, inexpressible, indescribable

知らぬ存ぜぬ

しらぬぞんぜぬ

complete ignorance (usu. in reference to feigning); lack of knowledge

えも言われぬ

えもいわれぬ

indescribable (in praise of something), exquisite, inexpressible, indefinable

知らぬ顔

しらぬかお

pretending not to know, feigning ignorance

誰知らぬ

だれしらぬ

nobody knows

見知らぬ

みしらぬ

strange, unfamiliar, unknown

素知らぬ

そしらぬ

feigned, pretending

言語知識

げんごちしき

knowledge of language

言わずと知れた

いわずとしれた

as everyone knows, needless to point out

素知らぬ顔

そしらぬかお

pretending not to recognize (recognise), feigned ignorance

知らぬが仏

しらぬがほとけ

Ignorance is bliss

知らぬ間に

before one knows it; before one realises; without one's knowledge; without noticing

見も知らぬ

みもしらぬ

completely unknown (usu. of people); unfamiliar; complete (stranger)

言い逃れ

いいのがれ

evasion, excuse, subterfuge

認知言語学

にんちげんごがく

cognitive linguistics