Beneath his brash exterior, he's still a little boy inside.

他外表盛气凌人，内心里还是个孩子。

《牛津词典》

He behaves in a brash way.

他总是草率行事。

《新英汉大辞典》

A brash economics graduate of Harvard, he was annoyed that 'they wouldn't take a chance on me right out of college,' he says.

他说他那时是一名莽撞的哈佛大学经济学本科毕业生，对一出校门学校就不肯再给他一次机会感到气愤。

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but in Me and Orson Welles McKay says the challenge was to rediscover the brash young man who would become the stage and screen icon: "I felt a tremendous responsibility toward him,especially because of his own mythology his own myth making,"

VOA: standard.2009.12.17

In a brash move, Tillman produced a chart that gave him control over everything but finance and operations--and received just that.

FORBES: Merchant Princes

Russell is appealingly brash until a bogus subplot forces him to suggest borderline psychosis.

NEWYORKER: Backdraft

During the real-estate boom years in Manhattan, Michael Shvo was the most visible of the go-go brokers, a brash 30-something squiring customers in his limousine, a cellphone in each ear, hosting celebrity parties and creating ever-more extravagant sales campaigns for new condominiums.

WSJ: Shvo Revs Up Pace, Again