ごついlarge and rough, big and tough, rugged (hands, features, etc.), hard, sturdy, chunky, burly, unrefined, rustic, boorish, extreme, excessive, tremendous, terrible

ゴツいことを言(い)ってビックリさせる。

Say something rough and surprise them. {large and rough, big and tough, rugged (hands, features, etc.), hard, sturdy, chunky, burly, unrefined, rustic, boorish, extreme, excessive, tremendous, terrible}

ラグビー選手(せんしゅ)はゴツい体(からだ)つきをしています。

The rugby player has a big and tough physique. {large and rough, big and tough, rugged (hands, features, etc.), hard, sturdy, chunky, burly, unrefined, rustic, boorish, extreme, excessive, tremendous, terrible}

ああいうゴツい連中(れんちゅう)とは距離(きょり)を置(お)くのが身(み)のためだ。

It's better for you to keep your distance from those big and tough guys like that. {large and rough, big and tough, rugged (hands, features, etc.), hard, sturdy, chunky, burly, unrefined, rustic, boorish, extreme, excessive, tremendous, terrible}

ゴツい顔(がお)をしているせいで実際(じっさい)の年(とし)より上(うえ)に見(み)られます。

Due to my rugged face, I appear older than my actual age. {large and rough, big and tough, rugged (hands, features, etc.), hard, sturdy, chunky, burly, unrefined, rustic, boorish, extreme, excessive, tremendous, terrible}

ロッククライミングの選手(せんしゅ)がゴツい岩肌(いわはだ)にも果敢(かかん)に挑戦(ちょうせん)しています。

The rock climbing athlete is bravely challenging the large and rough surface of the rock. {large and rough, big and tough, rugged (hands, features, etc.), hard, sturdy, chunky, burly, unrefined, rustic, boorish, extreme, excessive, tremendous, terrible}