他尽其所能从我处得到一切后，我才明白他已蜕变成什么样的人。

He got what he could out of me before I caught on to the kind of person he'd turned into.

《柯林斯英汉双解大词典》

我十分认真地思考了他的话，然后明白了一切。

I thought about his words very carefully and then understood everything.

youdao

也许过了一段时间以后我才明白了这一切。

Perhaps I only became aware of all this some time later.

youdao

I really took advantage of trying to figure out what I was really drawn to.

我真的是利用一切机会去努力搞明白自己到底对什么感兴趣。

为何选那门专业？ - SpeakingMax英语口语达人