指原则性的是非问题。
大是大非 [dà shì dà fēi]
1. major issues [matters] of principle; cardinal questions of right and wrong; cardinal [major] issues of right and wrong; (between) right and wrong on cardinal issues:draw clear distinctions concerning cardinal issues of right and wrong / 分清大是大非
指带有原则性、根本性的是非问题。
徐迟《哥德巴赫猜想》：“一页一页的历史写出来了，大是大非，终于有了无私的公论。”
分清大是大非
draw clear distinctions concerning cardinal issues of right and wrong
大是大非的问题
major issue of principle
他并指跟他站在一起，才是“最有大是大非的同胞”。
" He also refers to stand together with him, is "the most major of our compatriots" .
他们抱怨严重的孤独感和深凹陷居住在这些大是大非水塔。
They complain about severe loneliness and deep depression living within these great towers.
①废名的写实又很有自己的特点，他所写的不是大是大非风云变换的现实生活的这个“实”，而是心里的“真”。
Essentially what he depicts in his works is not the ever-changing real life, but the truthfulness deep in his heart. By staying true to his heart, he endows his works with powerful persuasion.
【词 目】大是大非
【读 音】dà shì dà fēi
【释 义】是：正确；非：错误。指带有原则性、根本性的是非问题。
【出 处】徐迟《歌德巴赫猜想》：“一页一页的历史写出来了，大是大非，终于有了无私的公论。”
【示 例】在大是大非面前，我们一定要站稳立场，时刻保持清醒的头脑。
【用 法】作主语、宾语、定语；指原则性的问题
