隱隱作痛

to ache dully

secret / hidden / concealed / (prefix) crypto-

to lean upon

faint / indistinct

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

to ache

ache / pain / sorrow / deeply / thoroughly