Get a good dictionary of the language in the language and read it a lot. Get some basic grammar and asap use it on unsuspecting natives. For the phonemes that

Get a good dictionary of the language in the language and read it a lot. Get some basic grammar and asap use it on unsuspecting natives. For the phonemes that you did not get the chance to assimilate as a child, you're going to have to learn the mouth/throat movements and feelings like a gymnast learns jumps. Hope this helps.