見れば分かる

you can tell by looking

→ 見る
phrase Uncommon #11,562
you can tell by looking Literally, “if you look, you’ll understand.” Used to say that something is obvious from looking at it or someone. 見りゃ分かる is a more casual contraction.
JA: この絵が誰の作品かは、署名を見れば分かる。
EN: You can tell whose work this is by looking at the signature.

彼らは見れば分かると思う

I think they’ll understand when they see it.

— セッション (2014)

彼女が君を好きなの彼女の目を見れば分かる

You can tell she likes you just by looking into her eyes.

顔を見れば分かる

I can tell just by looking at your face.

— オープン・ユア・アイズ (1997)

見れば分かるなぜ消えた

You can tell just by looking. Why did it disappear?

— TAXi (1998)

子供の頃の彼の目を見れば分かる

You can tell just by looking at his eyes as a child.

— 海の上のピアニスト (1998)

人は友達を見れば分かる

You can tell a person by the company they keep.

目を見れば分かる

You can tell just by looking into their eyes.

— ロード・オブ・ザ・リング/二つの塔 (2002)

見れば分かる若くて美しい貴婦人

She is a young and beautiful lady, as you can tell just by looking at her.

— ウエスタン (1968)