At this point, that I deeply realize how important water is ah.

此时，我才深切地体会到水是多么的重要啊。

youdao

I didn't realize but he was deeply unhappy at that time.

我没有察觉到原来他那时非常不开心。

《牛津词典》

However, apparently he didn't realize that as deeply as I did at the time.

然而，看上去，这个时候他并没有我领悟得那么深。

youdao

However, apparently he didn't realize that as deeply as I did at the time.

然而，看上去，这个时候他并没有我领悟得那么深。

youdao