Brashness 指“鲁莽、冒失、(言行)粗率而欠考虑的大胆”,常带轻微贬义,强调说话或做事太冲、太直、缺少分寸。(也可泛指不够成熟的自信或张扬。)
/ˈbræʃ.nəs/
His brashness sometimes gets him into trouble.
他的冒失有时会让他惹上麻烦。
The manager mistook her brashness for confidence, but it was really insecurity in disguise.
经理把她的冒进当成自信,但那其实是伪装起来的不安。
brash 原意与“粗糙、脆裂、突兀”有关,后来引申为“说话做事粗率、冒冒失失”;加上名词后缀 -ness 构成抽象名词 brashness,表示“这种鲁莽/冒失的特质”。