我想問「完成」和「開工」的英文點講?????

Finished task 「完成」
Start work「開工」

「完成」: finish

「開工」:start working

「完成」: to accomplish (verb), accomplishment (noun)
「開工」: to commence (verb) the job, commencement (noun) of the job

完成finished(noun)
開工starting work(noun phrase)