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How do you pronounce 口?

口 is pronounced "kǒu" in Mandarin Chinese. The tone number is 3.

What HSK level is 口?

口 is an HSK Level 1 word (HSK 2.0: Level 3, HSK 3.0: Level 1).

What words contain the character 口?

Common words with 口 include 一口气 (one breath), 一口 (readily), 上口 (to be able to read aloud fluently), 并口 (parallel port (computing)), 串口 (serial port (computing)).

How do you write 口?

口 has 3 strokes. Its radical is 口. You can view the stroke order animation on our stroke order tool.

口 (kǒu) — mouth | Chinese Dictionary

口

kǒu

mouth; classifier for things with mouths (people, domestic animals, cannons, wells etc); classifier for bites or mouthfuls

HSK 1classifier3 strokes

Character Breakdown

An open square — a mouth

Radical: 口 (no. 30)Strokes: 3

View stroke order →

Definitions

(classifier) mouth
classifier for things with mouths (people, domestic animals, cannons, wells etc)
classifier for bites or mouthfuls

Example Sentences

他一口吃完了。

Tā yì kǒu chī wán le

He ate it in one bite

Words Containing 口

Word	Pinyin	Meaning	HSK
一口气	yī kǒu qì	one breath	HSK 5
一口	yī kǒu	readily
上口	shàng kǒu	to be able to read aloud fluently
并口	bìng kǒu	parallel port (computing)
串口	chuàn kǒu	serial port (computing)
三岔口	Sān chà kǒu	At the Crossroads, famous opera, based on a story from 水滸傳\|水浒传[Shui3 hu3 Zhuan4]
上口齿	shàng kǒu chǐ	supraoral tooth
并行口	bìng xíng kǒu	parallel port (computing)
串行口	chuàn xíng kǒu	serial port (computing)
一口咬定	yī kǒu yǎo dìng	to arbitrarily assert

Showing 10 of 20 · View all words with 口 →

Related Words

件(jiàn)— item

→

串(chuàn)— to string together

→

付(Fù)— surname Fu

→

人次(rén cì)— person-times

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Grammar Notes

Existential 有 SentencesHSK 3

Place + 有 + (Number + Measure Word) + Noun

Expressing Ratios/MultiplesHSK 4

Multiples: Number + 倍 | Fractions: Denominator + 分之 + Numerator | Percentages: 百分之 + Number

Chinese Alphabet: Does It Exist? Everything Beginners Need to Know How to Learn Chinese Characters Fast: 5 Proven Methods (2026)Chinese for Absolute Beginners: Your First 7 Days

HSK & Exam Info

HSK 2.0: Level 3HSK 3.0: Level 1

Study this word →

Frequently Asked Questions

口

kǒu