The sun appears to go around the Earth, but this is an illusion.太阳看起来好像绕着地球转,但这只是个错觉。
The illusions of youth fade with maturity.青少年时期的幻想随着成熟而消失了。
He cherished the illusion that she loved him, but he was wrong.他抱有她爱他的错觉,但他错了。
The mirrors all around the walls give an illusion of greater space.墙壁周围的镜子造成一种较大空间的假象。