挂羊头卖狗肉的英文：
[Literal Meaning]
hang/goat/head/sell/dog/meat
to hang a goat head but sell dog meat

[解释]
以好的名义做幌子，实际上名不副实或做坏事。

[Explanation]
to assume a false identity in order to conceal one's true purpose

[例子]
这家商店挂羊头卖狗肉，里面其实都是二手的手机。

[Example]
This store hung a goat head but sell dog meat, and it was filled with second-hand cell phones.