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 work; (of a machine) to operate; job; work; task

movement; motion; action; to act; to move

to act on; to affect; action; function; activity; impact; result; effect; purpose; intent; (suffix) -ation, -tion etc., as in 抑制作用, inhibition

author

school assignment; homework; work; task; operation; to operate

work (of art); opus

to make; to manufacture