This is the 9586th most frequent Japanese word.
羊頭
"羊頭" means "sheep's head."
In this sentence, '羊頭' is used metaphorically to describe false advertising or deception.
彼は店の前に羊頭を掲げ、実際には豚肉を売っている。
He displays a sheep's head in front of the store, but he is actually selling pork.
Here, '羊頭' refers literally to an item displayed for aesthetic or representational purposes at a shop.
羊頭を飾るその店は、新鮮な料理を提供することで評判になっている。
The store that decorates with a sheep's head has gained a reputation for offering fresh food.
The term '羊頭' in this sentence is used analogously to suggest sophistry or misleading superficiality.