brashest
adj. 傲慢的( brash的最高级 ); 轻率的; 易碎的; 脆的
If you describe someone or their behaviour as brash, you disapprove of them because you think that they are too confident and aggressive.
On stage she seems hard, brash and uncompromising.
在台上她显得强硬、自负且毫不妥协。