細作

police spy / secret agent

worker / workshop / (slang) troublesome / high-maintenance (person)

to do; to engage in / to write; to compose / to pretend; to feign / to regard as; to consider to be / to be; to act the part of / to feel (itchy, nauseous etc) / writings; works

thin or slender / finely particulate / thin and soft / fine / delicate / trifling / (of a sound) quiet / frugal

intensive farming

deep plowing and careful cultivation