作繭

to make a cocoon

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

cocoon / callus

(bound form) cocoon / (bound form) callus (variant of 趼[jian3])

to spin a cocoon around oneself (idiom); enmeshed in a trap of one's own devising / hoist by his own petard