A metaphor for a happy and harmonious marriage; specifically describes the deep affection and mutual understanding between a husband and wife.

Literally "the zithers are out of tune"; used to describe a lack of harmony between a husband and wife

a happy and harmonious married life; originally used to describe the beautiful sound of [[琴|琴|qin2]] and [[瑟|瑟|se4]] zithers being played together

(idiom) to be in perfect harmony; refers to a married couple whose relationship is deeply happy and in sync; literally "the [[琴|琴|qin2]] and [[瑟|瑟|se4]] play together in harmony"

harmony between husband and wife is broken; used to describe a couple who do not get along