my comments:

來源: 2011-06-29 16:07:44 [舊帖] [給我悄悄話] 本文已被閱讀:

but I can’t speak my mother tongues (i.e. Korean).

should be "tongue" to refer to one language?

In addition, your sentence means: I can't speak my native language, which is an impossible situation.

ingrained? I don't know this word. I need to improve my vocabulary.