日新月异

• ピンイン: rì xīn yuè yì
• 漢字の分解: 日 = day; 新 = 亲 + 斤 (close + axe = new/fresh); 月 = moon/month; 异 = 巳 + 廾 (different/unusual)

意味

日進月歩で変化する／急速に発展する

A four-character idiom (成语) expressing astonishment at the pace of change, most commonly used for technology, society, or science. Carries a positive connotation emphasising progress and innovation. Originates from 《礼记·大学》: 汤之盘铭曰：苟日新，日日新，又日新。

例文

1. 科学技术日新月异，我们必须持续学习才能跟上时代发展的步伐。
2. 改革开放以来，中国各地的面貌发生了日新月异的深刻变化。
3. 人工智能领域的发展日新月异，令许多传统行业措手不及。

使い方ガイド

場面: technology, society, education

トーン: positive

正しい言い方

• 互联网技术日新月异，从根本上颠覆了传统媒体长期形成的商业模式。(Internet technology is changing at a breathtaking pace, fundamentally upending the long-established business models of traditional media.)
• 城市建设日新月异，短短十年间高楼林立，面貌焕然一新。(Urban construction is advancing rapidly; in just ten years, skyscrapers have risen and the cityscape has been completely transformed.)

避ける言い方

• 他的脾气日新月异 — the idiom applies to progress and development, not personality; use 他的脾气变化无常 instead

起源と歴史

日新 (renewing day by day) + 月异 (changing month by month) — from 《礼记·大学》

文化的背景

世代: All ages

社会的背景: Universal