공부하다 in English:

I can't go out tonight because I have to study for the exam.

What are you going to study when you finish high-school?

A lot of people want to study economics

However, he is very severe to those pupils who do not want to study and dislikes those who are arrogant and conceited.

Do you want to study medicine, like me?

I want to study

I don't like to study, it's too boring for me.

I havo to study a lot.

I like to study

I need to study more.