抜本改革

ばっぽんかいかく

noun

•

fundamental reform, dramatic overhaul

抜	slip out, extract, pull out, pilfer, quote, remove, omit
本	book, present, main, origin, true, real, counter for long cylindrical things
改	reformation, change, modify, mend, renew, examine, inspect, search
革	leather, skin, reform, become serious