to play innocent means that you pretend that you have no knowledge about something you did wrong. خود را بیگناه جلوه دادن، مثال: don't need to play innocent, we prove that you stole the money. لازم نیست خودتو بیگناه جلوه بدی، ما ثابت کردیم تو پول و دزدیدی.