(university slang) course that be got credit easily

not ... at all

even if ...,...cannot

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

to study / to discount, to reduce the price of something

studying, studies, study

Alternative form of 勉強

(chiefly in mathematics, physics) for simplicity; for the sake of simplicity

ease / simplicity / lightness, brevity

easy / simple, uncomplicated / brief, light, short