夜不閉戶 yè bù bì hù

DEFINITIONS

  1. lit. doors not locked at night (idiom); fig. stable society

CHARACTERS

夜 yè
HSK 5
night, dark; in night; by night
不 bù
HSK 1
no, not; un-; negative prefix
閉 bì shut, close; obstruct, block up
戶 hù door; family, household