一文不通

いちもんふつう

total illiteracy

不知

ふち

something unknown

不文

ふぶん

unwritten

不知不識

ふちふしき

not aware of what one is doing

不一

ふいつ ふいち

Very sincerely yours

一文

いちぶん いちもん

something insignificant, one mon (10th sen)

不知火

しらぬい しらぬひ

phosphorescent light, mysterious lights on the sea, sea fire

不可知

ふかち

unknowable, mysterious

不承知

ふしょうち

dissent, disagreement, disapproval, objection, refusal

不告知

ふこくち

concealment (e.g. of facts), nondisclosure

不文法

ふぶんほう ふぶんぽう

unwritten law, common law

不文律

ふぶんりつ

unwritten law, unwritten rule, common law

不文明

ふぶんめい

indistinct, obscure

知者不惑

ちしゃふわく

a wise person always follows the right course, a wise man never wavers

不可知論

ふかちろん

agnosticism

不知火型

しらぬいがた

shiranui style of grand champion's ring-entering ceremony

死生不知

ししょうふち

daredevil, reckless, thinking nothing of one's death

不在通知

ふざいつうち

out-of-office notification (email)

不可知的

ふかちてき

agnostic