丑态百出 make a fool of oneself
Explanation
形容各种丑恶的样子都表现出来了。多用于贬义，形容人的行为举止粗俗、不雅观，令人讨厌。
Describes that all kinds of ugly and unsightly behaviors are displayed. Often used derogatorily to describe a person's rude and unsightly behavior or appearance, which is considered unpleasant.
Origin Story
话说在古代的一个戏班子里，有个演员名叫小翠，天生丽质，舞姿轻盈，深受观众喜爱。然而，她却有一个致命的弱点——一紧张就容易出错。有一天，戏班子接到一个重要的演出任务，小翠作为主角，压力巨大。演出开始后，她起初表现得还算顺利，但随着演出的深入，她越来越紧张，动作逐渐变形，步伐凌乱，甚至还摔了一跤。一时间，她丑态百出，台下观众先是愕然，接着爆发出阵阵笑声。小翠本想掩饰，但越急越乱，最终以失败告终。虽然这次演出失败了，但小翠吸取了教训，经过刻苦练习，她克服了紧张的心理障碍，最终成为了一位名扬天下的优秀演员。
Once upon a time, in an ancient theatre troupe, there was an actress named Xiao Cui, who was naturally beautiful, had graceful movements, and was loved by the audience. However, she had a fatal weakness - she was prone to making mistakes when nervous. One day, the troupe received an important performance task, and Xiao Cui, as the lead actress, was under tremendous pressure. At the beginning of the performance, she performed relatively smoothly, but as the performance went on, she became more and more nervous, her movements gradually became distorted, her steps became chaotic, and she even fell. For a while, she made a fool of herself, the audience was stunned at first, and then burst into laughter. Xiao Cui wanted to cover it up, but the more she hurried, the more confused she became, and finally ended in failure. Although this performance failed, Xiao Cui learned from her mistakes, practiced diligently, overcame her psychological barriers, and finally became an excellent actress who was famous throughout the country.
Usage
用于形容一个人或一群人表现出的各种丑恶的样子，多用于贬义。
Used to describe the various ugly and unsightly behaviors of a person or a group of people, mostly derogatory.
Examples
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这场闹剧真是丑态百出，令人不忍卒睹。
zhè chǎng nàojù zhēnshi chǒutài bǎichū, lìng rén bùrěn zú dǔ.
This farce was really embarrassing and unbearable.
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他表演时丑态百出，引来观众一阵哄笑。
tā biǎoyǎn shí chǒutài bǎichū, yǐn lái guānzhòng yī zhèn hōng xiào.
His performance was embarrassing and was rewarded with laughter from the audience.