HOU4, GU4, ZHI1, YOU1 fears of trouble in the rear (idiom), family worries (obstructing freedom of action), worries about the future consequences, often in negative expressions, meaning 'no worries about anything'
天伦之乐
TIAN1, LUN2, ZHI1, LE4 pleasure of heavenly agreement (idiom), family love and joy, domestic bliss