处处碰壁，我觉得那个时候，自己肯定会后悔莫及。

Everywhere runs into a wall, I think that time, own definitely can rude awakening.

youdao

在那个时候，我觉得那些并不值得。

At the time, I didn't think they were worthy.

youdao

当我回顾自己上学的这些年，有件事情总浮现在我脑海里，（私立）高中时我们时不时就要写文章上交，多得像是永远写不完，那个时候总觉得学校的这种规定很没天理，但现在我却十分感谢那时候的严格要求，它让我更好的胜任现在的工作。

I always had some writing assignment hanging over my head. At the time the school's policy seemed oppressive, but now I am grateful for the oppression.

youdao