莫衷一是 No consensus
Explanation
指不能决定哪个是对的。形容意见分歧，没有一致的看法。
It means that one cannot decide which is right. It describes disagreements and lack of consensus.
Origin Story
话说唐朝时期，一位名叫李白的诗人，他的诗歌才华无人能及，名扬天下。然而，他却有一个让人头疼的毛病，就是对很多事情总是拿不定主意。 有一天，李白要参加一个重要的诗歌盛会，可是他不知道应该穿哪件衣服去。他衣柜里挂满了各种各样的衣服：有华丽的锦袍，有朴实的布衣，还有飘逸的丝绸长衫。他一件一件地试穿，却始终无法做出决定。 他先试穿了锦袍，觉得过于华丽，显得有些张扬。于是又换上布衣，感觉太过朴素，不够隆重。最后，他又穿上了丝绸长衫，但又觉得颜色不够鲜亮。 李白在衣柜前犹豫不决，来回踱步，始终无法下定决心。他越想越烦，最后干脆放弃了选择，穿着一件普通的衣服就去了诗歌盛会。 在诗歌盛会，许多人都称赞李白的才华。但当有人问他为什么穿的衣服如此普通时，李白尴尬地笑了笑，解释道： “我实在是拿不定主意，所以就随便穿了一件。” 这个故事说明，即使是才华横溢的李白，也会在生活中遇到一些让人莫衷一是的事情。而我们每个人，在遇到这样的情况时，也应该学会果断决策，而不是犹豫不决。
It is said that during the Tang Dynasty, there was a poet named Li Bai whose poetic talent was unparalleled, and his name was known throughout the land. However, he had a troublesome habit: he was always indecisive about many things. One day, Li Bai was to attend an important poetry gathering, but he didn't know what clothes to wear. His closet was full of various clothes: luxurious brocade robes, simple cotton clothes, and elegant silk long gowns. He tried on one piece after another, but he couldn't make up his mind. He first tried on a brocade robe, but felt it was too flashy and ostentatious. Then he changed into simple cotton clothes, but felt they were too plain and not grand enough. Finally, he put on a silk long gown, but felt the color wasn't bright enough. Li Bai hesitated in front of his closet, pacing back and forth, unable to make up his mind. The more he thought about it, the more frustrated he became, and finally he gave up choosing, and went to the poetry gathering in ordinary clothes. At the poetry gathering, many people praised Li Bai's talent. But when someone asked him why he was dressed so plainly, Li Bai smiled awkwardly and explained, "I couldn't make up my mind, so I just wore whatever." This story illustrates that even the brilliant Li Bai could encounter situations in life where he was undecided. And each of us, when faced with such situations, should learn to make decisive decisions instead of hesitating.
Usage
形容意见分歧，没有一致的看法。常用于书面语。
Describes disagreements and the lack of a unified opinion. Commonly used in written language.
Examples
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关于这件事，大家意见不一，莫衷一是。
guanyuzhejianshi,dajia yijianbuyib,mozhongyishi.
There is no consensus on this matter.
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会议上，大家对这个问题的讨论莫衷一是，迟迟无法达成共识。
huiyishang,dajiadui zhege wenti de taolun mozhongyishi,chichi wufa dacheng gongshi.
At the meeting, everyone disagreed on this issue and could not reach a consensus.