She made it her business to find out who was responsible.

她一定要查清楚到底该谁负责。

《牛津词典》

It suited Catherine to have him there: at any rate, it made her hate her room upstairs more than ever: and she would compel me to find out business below, that she might accompany me.

有他在，凯瑟琳倒觉得挺合适：无论如何，那使她更恨她楼上的房间了，她逼着我在楼下找事作，好和我作伴。

youdao

Eventually the two women (plus a cook) made it to the reserve and Goodall began the tricky business of getting Gombe's chimps to accept her.

最后这两个妇女(加一个厨师)成功进入了保护区，古德开始让Gombe的猩猩们接受她的棘手工作。

youdao

Just ask Sheryl Sandberg the mom-in-chief Facebook COO who made it her business in 2012 to tell working women everywhere that, no, it may not be easy to achieve work-life balance with a demanding job and kids at home, but if they really wanted it bad enough, it could be theirs.

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Out of the thousands of frivolous claims that are filed each year, it is telling that no small business owner was interviewed for the movie regarding claims made against his or her business.

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