불문율이 · 불문율을
unwritten rule
Example
우리 회사에서는 선배보다 먼저 퇴근하지 않는 것이 불문율이에요.
At our company, it's an unwritten rule not to leave before your seniors.
Word parts
불 not+문 writing+율 law
Literally 'unwritten law'.
Good to know
Pronounced [불무뉼].
Related words
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불문율이 · 불문율을
unwritten rule
Example
우리 회사에서는 선배보다 먼저 퇴근하지 않는 것이 불문율이에요.
At our company, it's an unwritten rule not to leave before your seniors.
Word parts
Literally 'unwritten law'.
Good to know
Pronounced [불무뉼].
Related words