A metaphor for transient, ephemeral, or easily vanishing things; something fleeting and insubstantial.
人生短暂，许多烦恼不过是过眼云烟，野马尘埃，不必过分执着
Life is short, and many worries are merely transient clouds, wild horses and dust, so there's no need to cling to them excessively.
Era:
Ancient
Frequency:
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