Two-faced refers to the two faces of the "two-faced man" in ancient mythology, and refers to the two-faced man. The words come from the Jin Dynasty. Guo Pu's "Notes": "Wang Qi visited the guests with two sides, and the sea people received the clothes of long arms."
Two sides, modern times also refer to the two sides of human nature. Whether it is in a circle of friends or between strangers, communication has two sides: light and dark. "When a person speaks as himself, he is no longer his true self. Give him a mask and he will tell you the truth.
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