恣意妄为 reckless and arbitrary
Explanation
恣意妄为是指任意胡作非为，不顾后果，常指极端地固执己见和偏爱自己的习惯，常含有一种几乎难以抑制的反复无常的意味。
Acting arbitrarily and recklessly, disregarding the consequences, often referring to extreme stubbornness and self-indulgence, often with an almost irrepressible capriciousness.
Origin Story
从前，在一个繁华的城镇里，住着一位名叫阿强的年轻人。阿强自小就天资聪颖，但性格却十分叛逆，做事从不考虑后果，总是恣意妄为。他经常在街上与人争吵，甚至殴打他人，附近居民对他都避之不及。有一天，阿强因为一次严重的斗殴事件被官府抓了起来，最终受到了应有的惩罚。在牢狱中，他开始反思自己过去的行为，后悔莫及。他明白，恣意妄为只会给自己带来灾难，只有遵守法律和道德，才能过上幸福的生活。
Once upon a time, in a bustling town, lived a young man named Ah Qiang. Ah Qiang was intelligent by nature, but his character was very rebellious. He always acted without regard for the consequences and did as he pleased. He often quarreled with others in the street and even beat them up. The nearby residents avoided him. One day, Ah Qiang was arrested by the authorities for a serious brawl and eventually received his due punishment. In prison, he began to reflect on his past behavior and deeply regretted it. He understood that acting recklessly would only bring disaster to himself, and only by abiding by laws and morals could he live a happy life.
Usage
通常作谓语、定语，用来形容一个人任意妄为，不顾后果的行为。
Usually used as a predicate and attributive, to describe a person's arbitrary and reckless behavior.
Examples
-
他恣意妄为，最终受到了惩罚。
tā zìyì wàngwéi, zuìzhōng shòudào le chéngfá.
He acted recklessly and was eventually punished.
-
这家公司恣意妄为，严重损害了消费者的利益。
zhè jiā gōngsī zìyì wàngwéi, yánzhòng sǔnhài le xiāofèizhě de lìyì.
This company acted recklessly, seriously harming the interests of consumers.