The facade of a building, especially a large one, is its front wall or the wall that faces the street. (建筑物的) 正面
noun [抽象名词] （建筑物的）正面，立面；假象，伪装
They hid the troubles plaguing their marriage behind a facade of family togetherness. 他们把困扰他们婚姻的问题掩藏在家人亲密无间的假象背后。
