Учить 1. to teach. Учитель учит учеников математике) 2. to learn a language or a course/discipline. Ученики учат математику) 3. to learn [a poem] by heart. Учу стихотворение наизусть. Изучать To study. _Mainly_ in the sense of 'discovering a new knowledge about'. Just a slight difference with English use. So if you study Russian at the University - it's rather 'учу русский в университе' in a less formal speech. Though "изучаю" is possible as well. If you are scientist, you 'изучаете'. Учиться. to get education. Or just 'to learn'. Я учусь в университете. I'm attending university. Я учусь хорошо/плохо. (it means you are good/bad student) По вечерам я учусь (probably that means you attend some lectures by the evenings. __Less)_ probably it's said about doing ones homework) Я учусь. 1. I get/I'm getting better with something. I'm learning. Anything: relations with women, math....Anything that needs experience. 2. Describes ones main occupation: I'm a student. Заниматься literally 'to occupate oneself with' - means 'to practice'.

sorry. See the structured version of this in the 'answer' section)

Учить 1. to teach. Учитель учит учеников математике) 2. to learn a language or a course/discipline. Ученики учат математику) 3. to learn [a poem] by heart. Учу стихотворение наизусть. Изучать To study. _Mainly_ in the sense of 'discovering a new knowledge about'. Just a slight difference with English use. So if you study Russian at the University - it's rather 'учу русский в университе' in a less formal speech. Though "изучаю" is possible as well. If you are scientist, you 'изучаете'. Учиться. to get education. Or just 'to learn'. Я учусь в университете. I'm attending university. Я учусь хорошо/плохо. (it means you are good/bad student) По вечерам я учусь (probably that means you attend some lectures by the evenings. __Less)_ probably it's said about doing ones homework) Я учусь. 1. I get/I'm getting better with something. I'm learning. Anything: relations with women, math....Anything that needs experience. 2. Describes ones main occupation: I'm a student. Заниматься literally 'to occupate oneself with' - means 'to practice'.