Event organizers define "airness" as the ability of a performer to go beyond playing an imaginary guitar to create a new art form.

VOA: special.2009.08.14

It doesn't have to be a real container to contain it It's just an imaginary boundary there.

它不必是,一个真实的容器,只是一个想象的边界。

麻省理工公开课 - 热力学与动力学课程节选

I heard one of them say to an imaginary suitor, "and you without health or a home."

我听到有人对臆想的原告说，你没有健康，你没有家庭“

耶鲁公开课 - 现代诗歌课程节选

Of all the needs (there are none imaginary) a lonely child has, the one that must be satisfied, if there is going to be hope and a hope of wholeness, is the unshaking need for an unshakable God.

FORBES: Thoughts on Children

While math was like a magnificent imaginary building for Tengo, literature was a vast magical forest.

NEWYORKER: Town of Cats

Richard Nelson's intimate, bittersweet new drama, "Nikolai and the Others, " about the immortality of art, showcases a purely imaginary country weekend in the lives of a group of famous Russian emigres in America that depicts those two great talents working together, surrounded by supportive friends.

WSJ: Review: 'Nikolai and the Others' bittersweet drama