mirage

追逐泡影

To pursue an unrealistic or unattainable goal (figurative).

追求不现实或无法实现的目标（比喻）。

看见海市蜃楼

To perceive an optical illusion, typically of water in a desert or on a hot road.

感知到一种光学幻象，通常是沙漠或热路上的水。

海市蜃楼消失

Describes the disappearance of the optical illusion.

描述光学幻象的消失。