ADJ-GRADED
無所顧忌的；肆無忌憚的
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.
他們在自己的雙性戀問題上無所顧忌，毫不為意。