争取时效 zhēngqǔshíxiào to race against time Origin Definitions Defs Strokes Stroke Words Sentences Sents 争取 爭取 zhēngqǔ verb to strive for to strive for, fight for, or compete for; to work hard to achieve something or win someone over时效 時效 shíxiào period of effectiveness The amount of time during which something is effective, valid, or viable; timeliness.