How much..............?

Question

How much time necessary to pick up chinese language.

Answer 1

To speak and read Mandarin at a General Professional Proficiency, 2200 class hours, according to the Foreign Service Institute.

Answer 2

every person is different because of different learning capabilities.  But it most likely take a few years before you even become semi-conversational. plus there are a lot of chinese characters that are necessary to learn as well.