Ditto here. 「こっちもそうなんだ」

徹底トレーニング英会話 9/12(火)

・Ditto here. 「こっちもそうなんだ」

ditto [ditou] 「同様に」

[LOMGMAN] (spoken informal) used to say that you have exactly the same opinion as someone else : 'I hated school.' 'Ditto.'

[OXFORD] (informal) used instead of a particular word or phrase, to avoid repeating it : The waiters were rude and unhelpful, the manager ditto.

There's no substitute for hard work.
「勤勉さに代わるものはありません。」