bold

In a surprisingly bold move , he is threatening court action against the company.

他出人意料地做出一个大胆举动，威胁要起诉这家公司。

My aunt Flo was a bold determined woman.

我姑妈芙洛是一个大胆果断的人。

He had the ability to take bold imaginative decisions.

他能够作出富有创见的大胆决定。