他说他是医生，但我们很快意识到他是个骗子。

He said he was a doctor, but we soon realized he was a ___fake.

所以，毕竟他是个骗子！

So, after all he was a ___fake!

当检查他的资历时，这个骗子最终被揭露为完全的假冒者。

The con artist was finally revealed as a complete ___fake when his credentials were checked.