乃至 (nǎizhì) — even; even up to; and even

乃至 (nǎizhì)

乃至 is a formal conjunction used to extend a range or escalate a statement, meaning "and even" or "ranging up to," often introducing an extreme or unexpected endpoint of a scale.

Meanings

1. [conjunction] even; and even; up to and including (extends a range to an extreme or surprising endpoint)
2. [conjunction] ranging from ... to ... (marks the upper or outer limit of a range)

Example Sentences

这一政策影响了整个地区乃至全国的经济发展。 Zhè yī zhèngcè yǐngxiǎngle zhěnggè dìqū nǎizhì quánguó de jīngjì fāzhǎn. This policy affected the economic development of the entire region and even the whole country.

学习汉语需要付出数年乃至数十年的努力。 Xuéxí Hànyǔ xūyào fùchū shù nián nǎizhì shùshí nián de nǔlì. Learning Chinese requires years, or even decades, of effort.

这场火灾波及了周边数个村庄乃至整个镇区。 Zhè chǎng huǒzāi bōjíle zhōubiān shù gè cūnzhuāng nǎizhì zhěnggè zhènqū. The fire spread to several surrounding villages and even the entire township.

他的研究成果引起了国内乃至国际学界的广泛关注。 Tā de yánjiū chéngguǒ yǐnqǐle guónèi nǎizhì guójì xuéjiè de guǎngfàn guānzhù. His research results attracted widespread attention from the domestic and even international academic community.

人工智能的发展正在改变许多行业，乃至整个社会的运作方式。 Réngōng zhìnéng de fāzhǎn zhèngzài gǎibiàn xǔduō hángyè, nǎizhì zhěnggè shèhuì de yùnzuò fāngshì. The development of artificial intelligence is changing many industries, and even the way the whole society operates.

小小的决定，有时会影响一个人的一生，乃至几代人的命运。 Xiǎo xiǎo de juédìng, yǒushí huì yǐngxiǎng yī gè rén de yīshēng, nǎizhì jǐ dài rén de mìngyùn. A small decision can sometimes affect a person's entire life, or even the fate of several generations.

Collocations

Usage Notes

乃至 is a formal, literary conjunction that appears primarily in written Chinese. It introduces the outermost or most extreme element in a progression or range, similar to "and even" in English. It often conveys surprise or emphasis about how far something extends.

乃至 differs from 甚至 in that 乃至 tends to mark a range endpoint more neutrally, while 甚至 carries a stronger sense of surprise or unexpectedness. Both are formal, but 甚至 can appear in speech more comfortably than 乃至.

Memory Hook

乃 is a classical word for "thus/then/even" and 至 means "to reach/arrive at" — 乃至 extends "all the way to" the extreme end of a range.