Speak for itself

보여주다, 증명하다, 자명하다

The result speaks for itself.

You didn't work hard enough.

결과가 말해주잖아.

넌 충분히 열심히 한 게 아냐.

Eric looked very angry.

His facial expression

spoke for itself.

에릭은 엄청 화 나 보였어.

걔 얼굴표정이 말 해 주더라.

He's not trustworthy.

His past speaks for itself.

걔는 신뢰가 안 가.

걔의 과거가 보여주잖아.

My success speaks for itself.

내 성공이 말해주잖아.

Your results

speak for themselves.

You need to study harder.

너 결과들이 보여주고 잇잖아.

넌 공부 더 열심히 해야 돼.