放肆的英文：
wanton, unbridled

Intemperance; overindulgence
无节制;放肆的行为

run wild
蔓延;狂暴起来;放肆起来

Taking undue liberties;forward or overfamiliar.
放肆的，任性的行为不适当的；鲁莽的或过于亲热的

An act or instance of intrepidity or insolent heedlessness.
鲁莽的行为，放肆的言语勇猛或无礼的行为或实例

Lazy and profligate
怠惰放肆

He is extravagant in behavior.
他行为放肆。

A diabolical liberty,ie an act that one resents very much
极放肆的举动.

Run wild; behave wantonly
变放肆;失教养

less of your lip ! ie Don' t be so cheeky !
别那麽放肆!

Behavior or language that is boldly arrogant or offensive;effrontery.
冒昧，放肆放肆地傲慢或令人不愉快的行为或语言;厚颜无耻

wanton destruction.
反复无常的毁坏

A wanton person.
淫荡的人

Wanton cruelty, damage,waste
肆意的暴虐行为、破坏、浪费

Level 4: Wanton and gratuitous violence
级别 4: 恣意的而且非常无理的暴力行为

We abate something of the wanton extravagance of our pretensions
我们把自己恣肆狂妄的心胸稍稍加以收敛。

The reactionary elements have been unbridled in their attacks
反动分子猖狂进攻。

Unbridled passion,enthusiasm,jealousy,etc
抑制不住的激情、热情、忌妒心等

There was a hubris that was unreal: the climate and the culture and the unbridled optimism.
当时有一种不真实的傲慢气氛：气候、文化和不受拘束的乐观主义。

The invading troops displayed the most unbridled license
入侵军队胡作非为到了极点。