How long have you been studying another language? What's your weakest point?

Another language can mean English; it just has to not be your mother tongue.

In terms of English, I've been studying for as long as I can remember. I probably started at 2, though. My mom's a system engineer, so in my household we had a weird mouse that let even babies use the computer. Internet was my main source of exposure to English.

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My main weaknesses may be elocution, concise writing, and all around speed whenever I'm making an essay or a story (I'm a bit of a perfectionist).

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In terms of Japanese, I've been studying it since May 2013. I found a tutor called 島田静子. (I'm not sure if the Kanji are right, but in Hiragana it's spelled しまだ・しずこ) She's like 60-something and she's a really cool person.

I'd say my main weakness is vocabulary. I don't know too many words for having studied for 2 years, and I'm not good at retaining new vocab without reading the kanji.

8 days later

Native English Mangler here.
I do my best as a Canadian citizen to warp and corrupt accepted linguistic standards to reduce the already tumultuous landscape that is the English Language into a hodgepodge of illegible gobelldiegook via a complete disregard for proper punctuation, grammatical structure and a complete lack of a sufficiently robust vocabulary.
In terms of Japanese, I started back in 2010, but only actually practiced for a few months, and since then I barely practice at all.
I think I have a good feel for proper sentence structure, both in formal and casual situations, but I often screw up conjugation and while my spoken vocabulary is... "servicable", my reading comprehension as a whole is pathetic.
My biggest weakness is actually studying on a regular basis in order to retain what I learn/avoid forgetting more things.

2 months later

My mother tounge is spanish; I've been learning English since I can remember.

My weak point would be pronunciation. There are barely people here who rather speak Englsih than Spanish so the chances are very low for me to actually practice any more than the average "Spanglish" conversation.

I've gone to the states as well as had skype conversations with other people and they claim it's pretty good but in my opinion there's a whole lot room for improvements.

Another weak point would be vocabulary though this goes for both Spanish and English.

I'm studying Japanese, and I just lack in vocanulary, the grammar I understand alright, but I just haven't spent enough time building my vocab.