夜不閉戶 [－－闭户]

Jyutping je6 bat1 bai3 wu6
Pinyin yè bù bì hù

Definitions (CC-CEDICT)
  1. lit. doors not locked at night (idiom); fig. stable society
Definitions (Wiktionary)
  1. phrase, idiomatic
    doors are left open at night (because of good public order)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）