无所不为 stop at nothing
Explanation
指什么坏事都干，没有不做的事情。形容行为恶劣，毫无底线。
To describe someone who does all kinds of bad things, leaving nothing undone. It portrays someone with poor behavior and no boundaries.
Origin Story
战国时期，有一个名叫荆轲的刺客，他为了刺杀秦王，无所不为。他四处游走，结交各路豪杰，收集情报，寻找机会。他甚至不惜牺牲自己的性命，也要完成任务。最终，他虽然刺杀秦王失败，但也展现了他无所不为的决心和勇气。然而，他的行为也给我们留下了一个警示：为了达到目的，不择手段，最终只会害人害己。 另一个例子是东汉末年的董卓，他挟天子以令诸侯，残暴不仁，无所不为，最终被王允设计诛杀。董卓的结局也证明了，为所欲为，终究会遭到报应。
During the Warring States period, there was an assassin named Jing Ke who stopped at nothing to assassinate King Qin. He traveled far and wide, befriending heroes and gathering information to find opportunities. He was even willing to sacrifice his own life to complete the mission. Though he ultimately failed in his assassination attempt, he demonstrated his determination and courage. However, his actions serve as a warning that using any means to achieve a goal will ultimately harm oneself and others. Another example is Dong Zhuo from the late Han Dynasty. He held the emperor hostage to command the feudal lords, was cruel and merciless, and did whatever he wanted, eventually being killed by Wang Yun's plot. Dong Zhuo's end proves that those who do whatever they want will eventually face retribution.
Usage
形容行为恶劣，毫无底线，通常用于批评或谴责。
Describes poor behavior without limits, typically used in criticism or condemnation.
Examples
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他无所不为，为了达到目的，什么坏事都干得出来。
ta wusuobuwei, wei le dad dao mu de, shenme huaishi dou gan de chulai.
He will stop at nothing to achieve his goal.
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历史上，那些暴君无所不为，给人民带来了深重的苦难。
lishi shang, na xie baojun wusuobuwei, gei renmin dailai le shenchong de kunnan
Throughout history, tyrants have done everything to inflict great suffering on their people.