阴阳

Yin and Yang—opposite principles or forces existing in natural and human affairs; the functioning of celestial bodies,such as the sun and the moon
～怪气eccentric;queer;cynical/～家（战国时代）School of Positive and Negative Forces/～人bisexual person;hermaphrodite/～先生geomancer (someone employed as adviser on selection of a grave site,housesite or a propitious day)