名词

1. 海市蜃楼;幻境
A mirage is something which you see when it is extremely hot, for example in the desert, and which appears to be quite near but is actually a long way away or does not really exist.

2. 妄想;幻想
If you describe something as a mirage, you mean that it is not real or true, although it may seem to be.

1. something illusory and unattainable

2. an optical illusion in which atmospheric refraction by a layer of hot air distorts or inverts reflections of distant objects