expression, noun
star on a rainy night; rare occurrence; rare sight
Literally a star visible on a rainy night, used figuratively for something very rare or a rare and precious sight. Often carries a poetic or literary tone.
See also: 雨夜
彼の才能はまさに雨夜の星のような存在だ。
His talent is truly like a star on a rainy night—a rare and precious sight.
こんなに美しい夕焼けは雨夜の星だ。
Such a beautiful sunset is a rare sight, like a star on a rainy night.