中英成語俚語800對172：掛羊頭，賣狗肉

　　掛羊頭，賣狗肉

　　Cry up wine and sell vinegar.

　　eg：He is crying up wine and selling vinegar by saying that his new book is the best on that subject.

　　同義詞：魚目混珠 Foist something on one