1.无所顾忌的；肆无忌惮的 If you describe a person or their behaviour as brazen, you mean that they are very bold and do not care what other people think about them or their behaviour.
brazenly He was brazenly running a $400,000-a-month drug operation from the prison. 他在监狱里肆无忌惮地操纵着每月40万美元的毒品生意。
