(of strangers) meet by chance like floating duckweeds.

Pinyin: píng shuǐ xiāng féng

Interpretation: Duckweed drifts with the current, and it is uncertain to gather and disperse. It's a metaphor for someone you've never met.

Source: Tang Wang Bo's Preface to Wang Tengting: "Meet by chance, they are all foreign guests."

This is my second close friend. Cherish ~ and get together for many days. ★ shenqing Fu's Six Chapters of a Floating Life Travel Notes on the Waves.