请问这些如何翻译成英文呢？

1. I finally realized that he is the man without virtues through this thing.
2. I got this house in the way of buyout.
3. She finally completed this impossible task due to her persistent.
4. He didn't get this money in a proper way.

高中刚毕业，水平有限，见笑了。

1.After this time , I finally recognized that he is not a good person.
2.I buyout this house.
3.Holding a sense of persistence,she finally complete this impossible task.
4.He got the money through improper means.

1 I finally learned that he is not a goood man through this matter .
2 I acquired this house through the means of the buyout .
3 She finished this task which is impossible cause of her persistence
4 He acquired the money through improper means

1, through this thing I finally realized that he is not a good man.
2, the way I got through the buyout house.
3, because of her persistence, she finally completed the mission impossible.
4, when he was not a means through money obtained