“buy a lemon”字面意思是“买个柠檬”，它还有另外一个意思，小伙伴们知道吗？它的含义是“买次品，买假货”。

【例句】
The used car I bought is not very good. I think that I bought a lemon.
我买的二手车不是很棒，我应该是买到次品了。

There's a tiny hole in the dress. You've bought a lemon.
这裙子上有个小洞，你买到次品了。