家喻戶曉 [－－户晓]

Jyutping gaa1 jyu6 wu6 hiu2
Pinyin jiā yù hù xiǎo

Definitions (CC-CEDICT)
  1. understood by everyone (idiom); well known
  2. a household name
Definitions (Wiktionary)
  1. phrase, idiomatic
    known to every household; ubiquitously known; widespread; extremely well-known
    (syn.) 家傳戶曉, 家传户晓
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）