放肆翻译成英语

wanton（这个放肆还有点天真活泼可爱的意思）

run wild（这个意思就是很野的那种）

impudicity(这个贬义的痕迹就比较严重了)

impudicity

音译最简单“fun 4”“funcy”呵呵

unbridled……presumptuous……immodest都可表示放肆的意思…presumptuous较好点。

impudent

厚颜无耻的;放肆的;无礼的
It was impudent of her to answer like that.
她竟那样回答,真太放肆了。

另外还有unbridled; wanton; presumptuous; audacious等

放肆
impudicity; presumption; run wild; unbridled; wanton; Immodesty; shamelessness.