四德

sì déside

1. four Confucian injunctions 孝悌忠信 (for men), namely: piety 孝 to one's parents, respect 悌 to one's older brother, loyalty 忠 to one's monarch, faith 信 to one's male friends
2. the four Confucian virtues for women of morality 德[de2], physical charm 容, propriety in speech 言 and efficiency in needlework 功

Study it in Yanamino