回顾过去，我现在才意识到我已浪费了这么多宝贵的时间。

Looking back on the past, I can now see that I wasted so much of my precious time.

youdao

回顾过去，我现在才意识到我已浪费了这么多宝贵的时间。

Looking back on the past, I can now see that I wasted so much of my precious time.

youdao