My mothers tongue is Croatian.
Other languages I know are:
English - very well (near-native in the context of computer science and technology)
German - I understand it pretty well, but my speaking abilities are somewhat limited because I didn't have the opportunity to talk to anyone in a loooong time
Italian - I learned it at school, but I forgot most of it. I understand it well, but my speaking abilities are VERY limited.
Latin - I learn it at school currently, been learning it for 2 years now (2 more to go). I can translate most of the texts with a dictionary because we learned the whole grammar (yeah, it's a pain, but it's interesting)
Ancient Greek - I also learn it at school, I know many words and some grammar. Been learning it for 2 years, 2 more to go
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Languages I'd like to learn are:
Finnish - because it's SO beautiful and SO interesting
Swedish - because I'd like to learn another Scandinavian language
Japanese - very interesting IMHO
French - a wonderful language
I'd like to learn as many languages as I can. It's interesting AND useful
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