nǎi

Origin & Mnemonic:

Breast milk from a woman. Milk, dairy, grandmother, or a wet nurse. A woman (女) with a curved breast (乃) squeezing out milk.

Common Usage & Traps

  • 牛奶 (niúnǎi) — milk (cow's milk)
  • 奶奶 (nǎinai) — grandmother (paternal)
  • 喝奶 (hē nǎi) — drink milk
  • 奶水 牛奶

    奶水 means breast milk, not the everyday drink. Use 牛奶 for cow's milk.

  • 奶妈 奶奶

    奶妈 means wet nurse, not grandmother. 奶奶 is the common family term.

Why does 奶 mean both 'milk' and 'grandmother'?

奶 is not one word with two random meanings; 牛奶 is milk, and 奶奶 is a separate reduplicated family word.

Learners often see 奶 alone and assume it freely means both 'milk' and 'grandmother'. In real HSK 1 usage, milk is normally 牛奶, and grandmother is 奶奶. The single character 奶 is a building block, not a safe standalone word for both meanings.

DimensionNaturalAvoid
Milk牛奶奶 alone
Grandmother奶奶奶 alone
Drink milk喝牛奶喝奶水

How do I remember the difference between 奶 and 妈?

Both have 女, but 奶 appears in milk and grandmother words, while 妈 appears in mother words.

奶 and 妈 share the woman radical 女, so beginners mix them up. The practical difference is collocation: 牛奶 and 奶奶 use 奶; 妈妈 uses 妈. Do not rely on a fake story that 乃 means nursing and 马 means mother.

Dimension
Common word牛奶妈妈
Meaningmilk; grandmothermother
Example我喝牛奶。我妈妈很好。

Appears in Stories 5 stories

《我的家人(1)》 My Family Members
HSK 1 ~2 min read 116 chars
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Before you read, meet the grandparents! This rhyming chant helps you practice the different names for maternal and paternal grandparents in Chinese. Listen to the beat and repeat.

  • 爸爸妈妈 奶奶

  • 爷爷 奶奶 姥爷姥姥他们他们

《吃的东西和喝的东西》 Buying Food and Drinks
HSK 1 ~4 min read 305 chars
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This is a short dialogue about a shopping trip. A woman buys many things, including food, drinks, furniture, and pet food, while her boyfriend reminds her not to overspend.

  • 买了鸡蛋面包 牛奶 还有一些水果这些我的吃的喝的东西还有我们的小猫小狗吃的东西

《一二三 住医院》 Hospital Days, Pricey Plates
HSK 1 ~2 min read 107 chars
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Follow a traveler's unexpected hospital stay in China, where counting days and costs becomes practical learning. Practice numbers, dates, food prices, and simple descriptions of a doctor and room.

  • 面包一块二 牛奶 四块三

《一家人》 Our Family Day
HSK 1 ~1 min read 47 chars
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This simple story introduces you to a family and what each member likes to do. Learn helpful words for food and daily activities as you read about Grandpa, Grandma, Mom, Dad, and the kids.

  • 爷爷面包 奶奶 牛奶

《火车没有火》 The Train Without Fire
HSK 1 ~1 min read 49 chars
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Before you read, think about names: a train is called 'fire vehicle' in Chinese, but there's no fire! This simple rhyme will help you laugh while reviewing everyday words.

  • 米饭不是鸡蛋不是 牛奶 不是

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