been/was treated like an idiot по-русски
как переводится на русский язык been/was treated like an idiot
Have you ever been treated like an idiot in a foreign country because you couldn't speak a foreign language? I was treated like an idiot in France.

Question

been/was treated like an idiot по-русски
как переводится на русский язык       been/was treated like an idiot
Have you ever been treated like an idiot in a foreign country because you couldn't speak a foreign language? I was treated like an idiot in France.

Answer

Your sentences are both fine.
Your experience doesn't surprise me. The French are sometimes like that! They are famous for it.