出典:Wiktionary
From the Bible "Give not that which is holy unto the dogs, neither cast ye your pearls before swine, lest they trample them under their feet, and turn again and rend you." – KJV, Matthew 7:6.
cast pearls before swine (三人称単数 現在形 casts pearls before swine, 現在分詞 casting pearls before swine, 過去形および過去分詞形 cast pearls before swine)
Do not cast pearls before swine.
Don't cast pearls before swine.
drive a wedge into a log
Mop up the mess.
たるのふたをたたき込む.
Shake the medicine bottle before use.