頭角(とうかく)を現(あらわ)す

とうかくをあらわす
expression
to stand out; to make one's mark
idiomevaluation
1. to stand out; to make one's mark
For someone's talent or ability to become clearly greater than that of the people around them.
めきめき頭角(とうかく)を現(あらわ)す。
To rapidly make one's mark.
彼女(かのじょ)は入社(にゅうしゃ)二年目(にねんめ)で頭角(とうかく)を現(あらわ)した。
She began to stand out in her second year at the company.
He began to stand out in high school and turned professional at twenty.

Usage

頭角(とうかく) is the top of the head: the image is a head rising above the crowd. Used in praise, mostly in writing and speeches.

Watch out

Written with 現(あらわ)す (to show, to appear), not 表(あらわ)す (to express).