日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
I can't help wondering about the road not taken.
If only I'd stopped him then.
That decision was our undoing.
Looking back, I pushed myself too hard.
I regret not being more careful.
If it had failed, it would have been a disaster.
If you hadn't shown up, I'd have been done for.
Without that experience, I wouldn't be who I am.
If only I'd just apologized then.
I should have double-checked, just in case.
If only I could turn back time.
If only I hadn't turned a blind eye.