知らぬは亭主ばかりなり

しらぬはていしゅばかりなりshiranuhateishubakarinari

expression

  1. the husband is always the last to know
  2. everyone knows of the wife's infidelity but the cuckolded husband

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences