Learn Chinese Characters

Meaning

inside; inner; internal; within; interior

Chinese: 里面、内部。

Hear the Four Tones

The same syllable “nei” becomes a different word in each tone. 内 is the 4th tone. Tap any tone to hear a native voice and see its pitch shape.

Stroke Order

Tap Animate to watch the strokes in order, or Practice to trace it yourself.

Common Words

  • 内容nèi róngcontent; substance; details
  • 内心nèi xīnheart; innermost being; (math.) incenter
  • 国内guó nèidomestic; internal (to a country); civil
  • 内部nèi bùinterior; inside (part, section); internal
  • 以内yǐ nèiwithin; less than

Example Sentence

三天内我会给你回信。Sān tiān nèi wǒ huì gěi nǐ huí xìn.I will reply to you within three days.

SānthreetiāndaynèiinsideIhuìcangěitoyou回信huí xìnto reply

Go deeper

Where this character comes from

入 (to enter) within a boundary (冂): going in. It means ‘inside / inner / within’.

A way to remember it

Stepping inside the boundary — inner.

Easy to confuse with

  • wài‘Outside’: the opposite of 内.