His idea of love was a mirage.

他的爱情观不现实。

《牛津词典》

Because light traveling down from a summit passes through many such layers, a surveyor could sight a mirage rather than the peak itself.

因为从山顶向下传播的光会穿过许多这样的层，所以测量员看到的可能是海市蜃楼而不是山峰本身。

youdao

When driving in a car on a hot summer day, you may see what looks like shimmering water on the road, which, as science tells us, is really just a mirage, an illusion caused by the heating of the air.

在炎热的夏天开车时，你可能会在路上看到闪闪发光的水，但科学告诉我们，这其实只是海市蜃楼，是空气加热造成的幻觉。

youdao

Suddenly the city has appeared like a mirage, its hills all bathed in a soft, golden light.

BBC: The road to Hollywood, California

Simmons (interviewed, but excluded from the article) insisted plenitude was a mirage and prices were set to soar.

FORBES: Crude Cassandra

Between the album, videos, and Facebook, fans were fed a mirage of Lil Wayne.

FORBES: Lil Wayne Is Almost Back To Business