as transient as fleeting clouds; used to describe something that vanishes quickly without leaving a trace

(idiom) like mist and smoke passing before the eyes; fleeting; vanishing quickly without a trace; used to describe external things like wealth and fame that are temporary

Describes things that pass quickly and leave no trace, like clouds and smoke passing before one's eyes; same as [[过眼云烟|過眼雲煙|guo4 yan3 yun2 yan1]]

Passing before the eyes like smoke and clouds; used to describe things that are ephemeral, fleeting, or vanish quickly without leaving a trace.

to have seen very little of the world; unsophisticated or lacking exposure to life