Unreal or imagined thing, as seen in a dream or vision;

不真实的或想像的事物； 梦幻之物；

youdao

Thus, one begins to question his perception of truth through the naked eye and to question whether what is seen in a dream is not necessarily all illusions.

于是，怀疑通过眼睛能看到一切真象，怀疑梦中所见未必都是虚幻。

youdao

But he went on to explain that he had seen in a dream that my wife had been his mother in a former birth, and that if he could but drink some water which had touched her feet he would get cured.

但他接着解释，说他在梦里见到我的妻子在前世里是他的母亲，若是他能喝点我妻子的脚触碰过的水，他就能痊愈。

youdao

Brigham Young told his people that he had seen their new home in a dream.

VOA: special.2009.05.28

He told his people that he had seen their new home in a dream.

VOA: special.2009.06.04

She wrote to one of her friends about her dream of one day owning a house with an art collection like the one she had seen in Italy.

VOA: special.2009.01.11

And the reason we came together was because we had seen a decade in which that dream was being betrayed.

WHITEHOUSE: The White House

Sir Patrick, best known for playing Captain Jean-Luc Picard in Star Trek: The Next Generation, first appeared on Broadway in A Midsummer Night's Dream in 1971 and has recently been seen in Macbeth.

BBC: Entertainment & Arts

In Silicon Valley, the Internet is seen as a libertarian's dream, releasing commerce and consumers from government interference.

ECONOMIST: E-commerce