display one’s talent for the first time;begin to show one’s ability (/first coruscation)
? 他二十多歲就發(fā)表了一部小說，在文壇上～。He published a novel early in his 20’s and displayed his talent for the first time in the li terary circles.
初露鋒芒chū lù fēnɡ mánɡ
鋒芒：刀劍等兵器的刃口和尖端，引申為人的銳氣。比喻剛剛現(xiàn)出某種才能和力量。begin to show one’s ability, display one’s talent for the first time, make a first display of one’s ability