不安其室 bù ān qí shì

DEFINITIONS

  1. to be discontented with one's home
  2. to have adulterous relations after marriage (of women) (idiom)

CHARACTERS

不 bù no, not; un-; negative prefix
安 ān peaceful, tranquil, quiet
其 qí his, her, its, their; that
室 shì room, home, house, chamber