半

bàn num.

A whole ox divided cleanly into two equal parts. Half, semi-, midway, or partial.

bàn adv.

half; partly; semi-

Common Usage & Traps

  • 一半 (yí bàn) — half; one half of something
  • 半个苹果 (bàn ge píngguǒ) — half an apple
  • 半杯水 (bàn bēi shuǐ) — half a glass of water
  • 六点半 (liù diǎn bàn) — half past six
  • 半小时 (bàn xiǎoshí) — half an hour
  • 一个半小时 (yí ge bàn xiǎoshí) — one and a half hours
  • 半苹果 半个苹果

    半 cannot usually sit directly before a plain object noun. Add a counting word like 个: 半个苹果.

  • 六半 六点半

    For clock time, 半 comes after 点. 六半 has no hour marker, so it sounds broken.

  • 一半小时 半小时

    Half an hour is 半小时 or 半个小时, not 一半小时.

  • 一个半 (for 'one half') 一半

    一个半 means one and a half, not one half. For half of something, say 一半.

Why can you say 六点半 but not 六半 for 6:30?

For clock time, 半 means half past and must come after 点.

English lets you say 'six thirty' or, in some places, 'half six'. Clock time uses 点 as the hour marker. Put 半 after 点 to mean half past that hour. Without 点, 半 has nothing to attach to, so 六半 sounds like a broken fragment.

“早上六点半,起床吃早饭。” (At 6:30 in the morning, I get up and eat breakfast.)
DimensionNaturalAvoid
6:30六点半六半
7:30七点半七半
12:30十二点半十二半

Why can you say 半杯水 for half a glass of water, but not 半苹果 for half an apple?

With countable objects, 半 needs a counting word: 半个苹果, not 半苹果.

半 cannot usually sit directly before a plain object noun. Put a counting word after 半, then the noun: 半个苹果, 半块蛋糕, 半张纸. Containers like 杯 already act as counting words, so 半杯水 looks like 半 goes straight to a noun. The pattern is still 半 plus counting word plus noun.
DimensionNaturalAvoid
half an apple半个苹果半苹果
half a cake半块蛋糕半蛋糕
half a glass of water半杯水半水
half a piece of paper半张纸半纸

Why is 一半 just 'half', while 一个半 means 'one and a half'?

一半 means half; 一个半 means one whole plus half, so the 一 counts.

The 一 in 一半 is not a separate 'one'. It is just part of the word for half. When you add a counting word, the order changes: number plus counting word plus 半. So 一个半 means one and a half. That makes 半个苹果 half an apple, while 一个半苹果 is one and a half apples.
DimensionNaturalAvoid
half (of something)一半一个半
one and a half (of something)一个半一半
half an apple半个苹果一个半苹果
one and a half apples一个半苹果半个苹果

Appears in Stories 3 stories

Real context sentences across different daily scenarios and graded readings.

《我的一天》 (My Day by the Clock) HSK 1
~1 min read 72 chars
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Step through a full day—from morning routines to bedtime—and pick up practical phrases for telling time and talking about your own schedule with a typical Chinese rhyme.

  • 早上六点 半 ,起床吃早饭。

  • 下班五点 半 ,回家吃晚饭。

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