show true colors (show true colors)

Idiom Leadership

意味

to reveal one’s real character or intentions

本当の自分の性格や意図を示す (hontou no jibun no seikaku ya ito o shimesu)

例文

"He showed his true colors when he took charge of the team."

"彼はチームを引き継いだとき、本当の姿を見せた。" (Kare wa chiimu o hikitsuidato ki, hontou no sugata o miseta.)