Is it explained why Jason couldn't understand Greek ? I mean Chiron said that demigods can magically understand a little Latin and Greek, and Percy was able to understand Latin pretty well even before he came to Camp Jupiter. (During the lightning thief, he cursed the furies out in Latin and claimed he didn't know where the Latin came from)

And Percy didn't even have to learn Latin much after he came to camp Jupiter aswell because he started translating stuff roughly on the very first day of his arrival there.

He was able to translate what Hazel was cursing abt in Latin, even specifying details, about her calling Octavian a "son of a gorgon" and stuff about where Octavian could stick his knife (LOL) but in contrast, Jason only noted that "Annabeth cursed in Greek" but didn't seem to understand what she was cursing about. It's just a lil thing I noted in the books.