逞凶的英文：
act violently

act是什么意思：
n. 行为，行动；法案；法令；一幕，段；装腔作势
v. 行动；扮演；假装；装作；起作用，见效；举动像

This is an act of depressing.
这是使人压抑的行为。

The act of disappointing.
使人失望的行为

We must act, we must act quickly.
我们必须行动，立即行动。

The obverse of Every act is predictable is No act is unpredictable.
Everyactispredictable的反换命题说法是Noactisunprecictable

Acting, moving, or capable of acting or moving quickly; swift.
快的,敏捷的行为的、动作的,或能够快速行为或运动的;敏捷的

violently是什么意思：
adv. 暴力地；猛烈地；极端地

Violently advattack,disagree,react violently
攻击、反对、反应十分强烈

To break or smash by striking violently.

To strike violently;smash.
猛烈地撞击；击碎

He was as violent as Nick underneath.
在内心深处，他和尼克一样暴躁不安。

.The medicine produced a violent reaction.
这药物引起了剧烈的反应。