周 zhōu

Dense, closely set crops planted within a bounded field.

To surround or encircle; all around; a full cycle; a week; thorough; Zhou dynasty or surname. A fenced field (田) inside an outer boundary, with marks of dense crops and a small base opening.

Common Usage & Traps

  • 每周 (měi zhōu) — every week
  • 一周 (yī zhōu) — one week
  • 周末 (zhōu mò) — weekend
  • 上周 (shàng zhōu) — last week
  • 下周 (xià zhōu) — next week
  • 周一 (zhōu yī) — Monday
  • 周周 每周

    周 is not reduplicated to mean 'every week'; use 每周.

  • 一个周 一周

    一周 is the standard way to say 'one week'; 一个周 sounds unnatural.

What is the difference between 周 and 星期?

Both mean 'week', but 周 is shorter and more common in fixed compounds, while 星期 is more common in speech and for full day names.

周 and 星期 overlap, but they are not fully interchangeable in everyday use. 周 is very common in compounds like 周末, 每周, 上周, 下周, and 周一. 星期 is more common in spoken Chinese and in full day names like 星期一. Learners often overuse 周 in speech because textbooks list it as the main word for 'week'.
DimensionNaturalAvoid
Everyday speech下星期下个周
Fixed compounds周末, 每周星期末, 每星期 (less common in compounds)
Days of week星期一 / 周一礼拜一 (regional, not neutral)

Can 周 be used as a surname?

Yes, 周 is a common surname, but that meaning is separate from 'week'.

周 is one of the most common Chinese surnames, as in 周恩来. As a surname it is written Zhōu in pinyin. This is a different usage from 周 meaning 'week', so context decides the meaning. Do not assume every 周 means 'week'.
DimensionNaturalAvoid
Surname use周先生星期先生
Week use一周一星期 (also fine, but not a surname)
PinyinZhōu (surname)zhōu (week)

Appears in Stories 3 stories

《友好的高友朋》 A Friendly New Friend at Work
HSK 2 ~4 min read 243 chars
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Meet Gao Youpeng, a friendly Beijing coworker who welcomes the narrator with local dishes and a simple language-exchange plan. This warm HSK 2 story is perfect for first readings about work and friendship.

  • 他也在中为公司工作,但是因为 周一 我来公司的时候,他去上海了,所以我没有看见他。

  • 他说 周六 可以教我做几个北京菜。

《你喜欢看老电影吗?》 Do You Like Old Movies?
HSK 2 ~3 min read 224 chars
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In this dialogue, two people chat while waiting outside a cinema. You'll hear common phrases for talking about hobbies, sports, and movie preferences.

  • 最近我 每周 都游两三次,但看电影是我最大的爱好!

《饥饿的深意》 The Hidden Meaning of Hunger
HSK 7 ~11 min read 1243 chars
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Why would a millionaire leave a table of lobster and wagyu untouched? This story explores the hidden rules of business dining and the true cost of staying alert.

  • 他说:“货款拖了四个月了,再不给, 这周 我就停了你的货!”

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