Mothers' love and filial piety: Mothers love their children and children are filial to their parents, which is a moral trend advocated by feudal society.

Diligent housekeeping: Diligent housekeeping manages housework.

Harmony between Harp and Harp: Harp and Harp are played at the same time, and the sound is harmonious. Metaphor conjugal love.

Don't cheat in a dark room: it means you don't do anything shameful where no one sees you.

German thick streamer: it means high morality and far-reaching influence.

Love values morality and can support everything like the earth. Describe a character that embraces all rivers like the earth.

Keep your word: a gentleman can gain the trust of others without saying a word and is described as having high prestige.