Subtitles in a foreign language? Probably not. Subtitles translated into their original language? I think it's probably an exaggeration that people have learnt

Subtitles in a foreign language? Probably not. Subtitles translated into their original language? I think it's probably an exaggeration that people have learnt it before starting school because it implies a lot about what learning it means, but picking up a number of words, sure.