之内

• Pinyin: zhī nèi
• Hanzi breakdown: 之 = classical possessive particle; 内 = entrance symbol, meaning inside

Meaning

Within; inside; in the scope of. Used to indicate something is contained within certain limits.

A formal locative phrase used after nouns expressing time, space, or scope. Common patterns: 三天之内 (within three days), 范围之内 (within the scope), 能力之内 (within one's ability). More formal than 以内.

Examples

1. 请在三天之内完成这份报告。 Please complete this report within three days.
2. 这在我的能力范围之内。 This is within my ability.
3. 十公里之内有好几家超市。 There are several supermarkets within ten kilometers.

Usage Guide

Context: written, time limits, scope

Tone: formal

Do Say

• 一周之内必须完成。(Must be completed within one week.)
• 这在预算之内。(This is within budget.)

Don't Say

• 之内里面 (Redundant — 之内 already means inside)

Origin & History

Compound of 之 (possessive/connective particle) and 内 (inside). The inside of.

Cultural Context

Generation: All ages

Social background: Universal