作廢

to become invalid / to cancel / to delete / to nullify

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 abolish / to abandon / to abrogate / to discard / to depose / to oust / crippled / abandoned / waste