ADJ-GRADED
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.
例句
They're quite brazen about their bisexuality, it doesn't worry them.
他们在自己的双性恋问题上无所顾忌，毫不为意。