I'm half indonesian, 1/8 German,1/8 Scottish, 1/4 Polish. I speak Dutch, English, French, German, some Turkish, some Swedish and going to start on Indonesian soon... (Finally...)
Trying to have intelligent conversations with me in either Swedish or Turkish is no go. Unless you give me loads of time to look up things in a dictionary...
Intelligent conversations in all those other languages might also not be possible, depending on my state of mind.