羊頭を掲げて狗肉を売る（ようとうをかかげてくにくをうる）

Japanese vocabulary

Meaning: to cry wine and sell vinegar; to do deceptive advertisement; to put up a sheep's head and sell dog meat

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “羊頭を掲げて狗肉を売る” pronounced in real videos (YouGlish)