(1)[look for a noble steed with the aidof its picture;look for sth.according to information at one's disposal;look for sth.by a plan chart]∶驥:好馬、千里馬;索:尋找。原指按照伯樂的《相馬經》去尋求好馬
(2)[lacking originality;initiative or imagination in doing a job]∶引申為依照既得的線索去尋找目的物。諷喻拘泥成法、食古不化、不知權變的人