口
mouth; opening; MW for people in a household
kǒu
What does 口 mean?
口 (kǒu) has three main uses. (1) As a body-part noun, it means 'mouth' — but in modern spoken Chinese, 嘴 (zuǐ) is more common for the physical mouth, while 口 appears mostly in compounds: 口红 (kǒuhóng, lipstick), 口语 (kǒuyǔ, spoken language), 口味 (kǒuwèi, taste / flavor preference). (2) As a noun meaning 'opening / entrance / mouth of a place,' it appears in 门口 (ménkǒu, doorway), 出口 (chūkǒu, exit), 入口 (rùkǒu, entrance), 路口 (lùkǒu, intersection), 港口 (gǎngkǒu, port).
(3)
Character breakdown
mouth; opening; entrance
Memory hook: 口 is literally a drawing of a mouth — a square open opening. Look at it and you see what it means.
Measure word for 口
Example sentences
我家有四口人。
Wǒ jiā yǒu sì kǒu rén.
There are four people in my family.
neutral
请在门口等我。
Qǐng zài ménkǒu děng wǒ.
Please wait for me at the doorway.
spoken
出口在哪儿?
Chūkǒu zài nǎr?
Where is the exit?
spoken
我吃了一口就饱了。
Wǒ chī le yì kǒu jiù bǎo le.
I had one bite and was full.
spoken
前面那个路口往左拐。
Qiánmiàn nàge lùkǒu wǎng zuǒ guǎi.
Turn left at the intersection up ahead.
spoken