大是大非 right and wrong
Explanation
指带有原则性、根本性的是非问题。
Refers to issues of principle and fundamental right and wrong.
Origin Story
话说唐朝时期，一位名叫李白的著名诗人，一日游历至一山村。恰逢村民为一桩土地纠纷争执不下，两方各执一词，互不相让，场面一度混乱不堪。李白见此情景，便上前了解情况。原来，这块土地是村中世代相传的一块风水宝地，其肥沃程度与村庄的兴衰荣辱息息相关。两家为争夺这块土地已持续多年，导致村民之间矛盾日益加剧，严重影响了村落的和谐与发展。李白听后，并没有立即做出判断，而是详细询问了双方的说法，并查阅了村里的族谱和相关文献。他发现，土地的归属问题早已有据可查，只是由于年代久远，相关记录有所缺失，导致两家都难以自证。李白沉思片刻后，说道："这块土地的归属，关乎全村的安危与兴衰，是大是大非的问题，不可儿戏。"随后，他依据历史资料及村规民约，理清了土地归属的脉络，最终做出了公平合理的裁决。村民们听后都心服口服，多年的纠纷终于得以解决，村落也重归宁静祥和。
During the Tang Dynasty, a renowned poet named Li Bai was traveling through a village when he encountered a heated dispute among villagers over a piece of land. Both sides presented their claims, refusing to compromise, creating considerable turmoil. Li Bai, upon learning about the conflict, discovered that the land was a historically significant area crucial to the village's prosperity and well-being. The protracted dispute had caused deep divisions, severely affecting the community's harmony and progress. Rather than immediately ruling, Li Bai investigated thoroughly, questioning both parties and reviewing village records and historical documents. Although the land's ownership was historically established, incomplete records made it challenging for each side to definitively prove their claim. After careful consideration, Li Bai declared: “The land’s ownership, directly impacting the village’s welfare and fate, represents a matter of great importance and cannot be treated trivially.” Using available historical and customary data, he meticulously clarified the ownership, arriving at a fair resolution. The villagers, satisfied with the impartial outcome, finally put an end to the prolonged conflict, restoring peace to their community.
Usage
形容在原则性、根本性的问题上的是非。常用于政治、社会、道德等领域。
Describes right and wrong on issues of principle and fundamental importance. Often used in the fields of politics, society, and morality.
Examples
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处理重大问题必须坚持原则，不能含糊其辞。
chuli zhongda wenti bixu jianchi yuanze, buneng hanhu qici.
We must uphold principles when dealing with major issues and avoid ambiguous statements.
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面对大是大非的问题，我们要旗帜鲜明地表明立场。
mian dui da shidafei de wenti, women yao qizhi xianming di biaoming lichang.
In the face of major right and wrong issues, we must clearly state our position.