distraction –n. something that makes it difficult to think or pay attention

inconvenient –adj. causing trouble or problems

focus –v. to direct effort or attention on something

obsessed –adj. to think about something to much

tutor –n. a teacher who works with one student

cram school –n. a special school that teaches a lot in a short period of time with the aim of training student for a goal, like doing well on a standardized test

psychological stress –n. tension that comes the mind, such as from worry

polarization –n. to cause groups to be separated into opposing sides

income –n. money that is earned from work, investments or business