How to Write 叽 (jī) — Meaning “chirp, grumble”

Imagine a little bird sitting on a small stool (几) opening its mouth (口) to chirp "jī jī!" The visual of the bird's mouth on the stool helps you link the shape (口 + 几) to the meaning of chirping. This pairs the sound and structure together easily.

First write the mouth radical (口) as a narrow square on the left, then write the right component (几) with a left-falling stroke, a horizontal hook, and a final curved stroke. A common mistake is making the right part too wide or forgetting the hook—keep 口 smaller and 几 balanced so the character looks compact.

叽 means chirping or babbling sounds, while 卟 (bǔ) is a rare character used for a chemical term (porphin) and is not related to mouth sounds. 口 simply means "mouth" as a noun or radical, whereas 叽 is a sound word (onomatopoeia) that always appears in phrases like 叽叽喳喳 to describe chattering.

叽 appears in lively, informal expressions imitating sounds: 叽叽喳喳 describes birds chirping or people chattering noisily, and 叽里咕噜 means babbling or rumbling (like a stomach). It is not used alone as a word; you always see it in reduplicated or compound sound words, often in casual conversation or children's stories.

Common words containing 叽 include: 叽叽喳喳 (jī jī zhā zhā) — chirping, chattering; 叽里咕噜 (jī lǐ gū lū) — babbling, rumbling; 叽叽 (jī jī) — chirping sound.