always chasing rainbows
一直追逐不可能實現的事情
口語·形容不切實際的追求
英文釋義
continuously pursuing something that is unlikely to be achieved
例句
He's always chasing rainbows with his get-rich-quick schemes, but they never work out.
典故來源
彩虹象征虛幻、難以觸及的事物，追逐彩虹比喻追求不切實際或不可能實現的目標。