I realized how hard life was going to be for me hereafter.

我意识到我的生活今后将会多么艰难。

《柯林斯英汉双解大词典》

I realized how possible it was to overcome your limitations, to achieve well beyond what you believe yourself capable of.

我意识到如何有可能克服自身的局限，取得自认为力不能及的成就。

《柯林斯英汉双解大词典》

Up until then, I hadn't truly realized just how expensive an education can be.

直到那时，我才真正意识到教育是多么的昂贵。

youdao

George Gershwin agreed to compose something for the concert before he realized how little time he had to do it.

VOA: special.2009.02.15

He had never realized how much he loved his home!

VOA: special.2010.05.29

No amount of content marketing, conversation, or other tactic can remedy this problem, no matter how expertly realized.

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He not only figured out how expanding trade allows the division of labor, thereby creating wealth and raising living standards, he also realized how hard it is to get people to believe they're better off than their ancestors.

FORBES: The American Standard of Whining

You have realized how cold and windy it was that fall in Milan, haven't you?

FORBES: Magazine Article