脱颖而出

tuōyǐng'érchū

[a talent shows itself; come out into the open as the point of an awl sticking out through a bag; become eminent] 比喻人的才能全部显示出来

使遂蚤得处囊中, 乃颖脱而出, 非特其末见而已。 --《史记·平原君虞卿列传》

体育新秀脱颖而出