It is sobering to realize that this is not a new problem.

意识到这并不是新问题，就会使人冷静下来。

《牛津词典》

You don't have to be a pessimist to realize that we're in trouble.

不是悲观论者也能意识到我们有了麻烦。

《牛津词典》

youdao

He had told a friend, "You come to realize that life is short, and you have to step up.

VOA: special.2010.02.07

So I think it's important to realize that both within the Palestinian side and Israeli side there's not one opinion.

因此我认为有一点很重要，那就是要意识到,在巴勒斯坦和以色列各方内部,都没有统一的意见。

普林斯顿公开课 - 人性课程节选

But I just need to realize that, you know, people are going to enjoy it.

但我只需要认识到一点，那就是人们会喜欢它的。

肉品市场区的作家 - SpeakingMax英语口语达人

It seems awfully sudden, even a misfortune, to realize that it's time to leave.

FORBES: Go with the Floe

Brazilian firms need to realize that international partnerships are beneficial and help mitigate risks, he added.

WSJ: World Cup 2014, Brazil, Maracan? Stadium: Brazil's Rush to Get Ready for the World Cup

He was smart enough to realize that the band had the arrangements all worked out.

CNN: The Doors' Ray Manzarek dies at 74