背阴 Traditional form: 背陰 Pinyin (reading): bèiyīn Definitions: in the shade shady Characters: 背 - back, backside; to betray, to violate 阴 - the female principle; dark, shaded; hidden, implicit, secret Traditional characters: 背 - back, backside; to betray, to violate 陰 - the female principle; dark, shaded; hidden, implicit, secret