Well you need to stop acting like an American, because even Euro's know what a Liberal is.
In contrast, European liberals usually favor limited government, free trade, and adhere to economic liberalism.[10]
In the context of European politics, a liberal (when the word is used without a modifier) is generally understood to refer to a classical liberal, who may be either centre-left or centre-right. As a result, a European classical liberal usually refers to a centre-right person with prominent economically liberal tendencies
No one is doing that because Americans are ignorant of another countries inner workings, they're doing that because Americans are ignorant of the worlds workings.
We don't expect much, but if the world says 2+2=4, we don't want you coming around saying it means 5.