To harbor unrealistic and excessive desires, wanting to achieve multiple grand goals (like wealth, power, and immortality) all at once; to be greedy and deluded by wishful thinking.
他总想着不劳而获，做事情也喜欢一步登天，简直是骑鹤望扬州，最终恐怕一事无成。
He always hopes to gain without effort and prefers to achieve success overnight, which is like riding a crane and longing for Yangzhou; in the end, he might accomplish nothing.
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