他放肆的举动扰乱了全班的秩序。His uncontrolled behavior disturbed the entire class.任性放肆的孩子会变成年轻的罪犯。Uncontrollable children grow into young criminals.不是放肆的时候Not a fit time for flippancy....

“放肆的”的英语可以翻译为：licentious，presumptuous，ungovernable，[法] self-abandoned ...