认真

serious; earnest; conscientious; intense; studious; careful; precise; heavy; sober; heavy-duty; hard; severe; take seriously; swallow; seriously; earnestly; deeply; religiously; head-on; seriousness; earnestness; diligence; in earnest; in all seriousness; for real

完成

complete; accomplish; fulfill; finish; cut it; work out; carry out; get through; wind up; execute; achieve; wrap up; completed; accomplished; finished; through; done; sorted; completion; achievement; fulfillment; accomplishment; fruition; consummation; up; out; thru

作业

homework; work; task; job; schoolwork; operation; production; assignment; operate