Lots of children have imaginary friends.
许多孩子都会凭空想象一些朋友。
He became convinced that his illness was purely imaginary: that made it none the better.
他逐渐相信了自己的病纯粹是想象出来的，但那也没有让他的病情有任何好转。
He had invented an imaginary son, in order to make up for his real son's failings.
为了弥补现实中儿子的不足之处，他就想象出了一个儿子。
She struck a pose, one hand on her hip and the other waving an imaginary cigarette.
她摆了个姿势，一只手叉腰，另一只手夹着一支假想的香烟。
All the characters in the book are imaginary.
这本书中所有人物都是虚构的。