going belly up (noun) diminishing returns: increases not proportional to more investment
Sinonime: acquire, beat the game, beat the system, bone up, bury yourself in,
comprehend, cram, excel in, gain mastery, get down cold, get down pat, get hold of, get the hang of, get the knack of,
grasp,
grind, hit the books, learn the ropes, megastudy, pick up,
study,
swamp*,
understandAntonime: be ignorant