豚に真珠

pearls before swine

→ 豚
phrase Rare #42,211
pearls before swine An idiom describing something valuable being given to someone who cannot appreciate or make use of it.
JA: 高級なワインを彼にあげても、豚に真珠だよ。
EN: Even if you give him expensive wine, it’s pearls before swine.

豚に真珠を与える

Don’t cast pearls before swine.

豚に真珠とはまさにこのことだ

This is a perfect example of casting pearls before swine.

それは豚に真珠ってもんだよ

That’s like casting pearls before swine.