A wild goose flying high into the distant sky, beyond the reach of a fowler. Metaphorically, it refers to a recluse departing to live in seclusion to avoid worldly troubles, or someone's elusive and distant whereabouts.
他厌倦了尘世的喧嚣，决定鸿飞冥冥，寻一处清净之地安度余生。
Weary of the worldly hustle and bustle, he decided to retreat to live in seclusion, seeking a peaceful place to spend the rest of his life.
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