When I was younger I believed people from other countries actually speak the same language as I, but it just sounds different because they are in a different country and my ears were not used to their version of the language.
A childhood belief about foreign languages

others believed things like this
- I also thought that people in different countries coughed, sneezed, laughed, or cried in their own language!— Mini
- I used to believe, that I am able to speak every foreign language only by learning "their" alphabet.— matej
- I would speak in gidderish, convinced that it was some foreign language I had never heard of— Molly
- I used to believe that translating from language into language was only a matter of changing letters ! :) — EwS
- I used to believe that foreigners' ears translated English words to their own languageAnon
- I used to believe gibberish was a real language from a country from gibberland — Kelly Bulanek