乃至

• ピンイン: nǎi zhì
• 漢字の分解: 乃 = classical particle (thus/then); 至 = 一(horizon line) + 土(ground) + a downward stroke (a bird arriving at the ground) — to arrive/reach

意味

〜に至るまで、さらには

A formal connective that extends a list or range to include something more extreme or encompassing than what precedes it. Commonly used in academic, journalistic, and official writing to indicate scope escalation. Similar to 甚至, but more formal and literary in register.

例文

1. 这场洪灾影响了数十个村庄，乃至整个县城的正常生产生活秩序。
2. 新技术的广泛应用改变了人们的通讯方式、消费习惯，乃至整个社会的运行逻辑。
3. 这次学术争论不仅涉及历史学界，乃至波及政治学、社会学等多个相关学科领域。

使い方ガイド

場面: academic, journalism, official documents, literary writing

トーン: neutral/emphatic

正しい言い方

• 这一政策的实施不仅影响了制造业的生产效率，乃至对整个国家的经济结构产生了深远的重塑作用。(The implementation of this policy not only affected the production efficiency of the manufacturing industry, but even had a profound restructuring effect on the entire national economic structure.)
• 改革开放的历史影响渗透至社会的每个层面，乃至重塑了中国人的价值观念与生活方式。(The historical impact of reform and opening up permeated every level of society, even reshaping the values and way of life of the Chinese people.)

避ける言い方

• 把'乃至'用于下行或缩小范围的情境 (乃至 always extends a range outward or upward to something greater — use it only when the additional item is more extreme or encompassing than what precedes it)

起源と歴史

乃(then/thus) + 至(to reach). Together meaning 'reaching even to' — extending a scope to a further or more encompassing point than previously stated

文化的背景

世代: All ages

社会的背景: Universal