Dictionary / Vocabulary / 猫に小判
ねこにこばん · also ネコにこばん
casting pearls before swine; (giving) a gold coin to a cat
Also written ネコに小判
君のせっかくの名講義は猫に小判だったね。
Your wonderful lecture was pearls before swine.
猫に小判。
Cast pearls before swine.
それじゃ猫に小判だ。
It is like casting pearls before swine.