狗屁不通 Nonsense
Explanation
形容说话或文章毫无逻辑，不通顺，毫无意义。
Describes speech or writing as illogical, incomprehensible, and meaningless.
Origin Story
话说古代有个秀才，为了参加科举考试，日夜苦读。他写了一篇文章，洋洋洒洒几千字，自认为才华横溢，必能高中。可是，他拿到文章给老师批改时，老师看完后，无奈地摇摇头说："你这文章，狗屁不通！"
Once upon a time, there was a scholar who studied hard day and night to prepare for the imperial examination. He wrote a long essay, several thousand words long, believing that his talent and learning would surely help him pass the exam. But when he submitted his essay to his teacher for correction, the teacher shook his head and said after reading it, “Your essay is complete nonsense!”
Usage
用于形容文章或说话不通顺，毫无逻辑。
Used to describe writing or speech that is illogical and incomprehensible.
Examples
-
他的发言狗屁不通，让人难以理解。
tā de fāyán gǒupì bù tōng, ràng rén nán yǐ lǐjiě
His speech was nonsense, difficult to understand.
-
这篇论文狗屁不通，逻辑混乱，论据不足。
zhè piān lùnwén gǒupì bù tōng, luóji guànluàn, lùn jù bù zú
This paper is nonsense, the logic is chaotic, and the evidence is insufficient