Common Usage & Traps
- 白天 — daytime
- 明白 — to understand
- 白 — white
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白的天白天白的天 sounds like 'the white sky' or a poetic phrase, not the everyday word for daytime.
白
Origin & Mnemonic:
Bright, pure light or radiant whiteness. White, blank, clear, plain, free of charge, or in vain. A stroke (丿) bursting out of the sun (日) radiates pure white light.
Why is 白 not pronounced bái in 明白?
In 明白, 白 goes neutral: míngbai, not míngbái.
明白 is pronounced míngbai, with 白 squeezed into a quick neutral tone. Say míngbái and you sound like you are reading two separate words off a list. The same squeeze happens in many second-syllable 白 compounds, so copy the rhythm, not the dictionary tone.
| Dimension | Natural | Avoid |
|---|---|---|
| Tone in 明白 | míngbai | míngbái |
Does 明白 really mean 'understand'?
Yes: 明白 means 'to understand' because 白 here means clear, not white.
明白 is not about color; it means your mind is clear. 明 gives bright, 白 gives clear or plain, so the pair means 'got it.' When you understand something, say 我明白了, not 我白白了.
| Dimension | Natural | Avoid |
|---|---|---|
| Understanding | 我明白了 | 我白白了 |
Why does 白天 mean 'daytime' and not 'white sky'?
白天 means daytime; it is not the literal phrase 'white sky'.
白天 is the normal word for daytime, not a poetic 'white sky.' It covers the bright hours when the sun is up, as opposed to 晚上. Saying 白的天 sounds like you are describing a white sky, not a time of day.
| Dimension | Natural | Avoid |
|---|---|---|
| Everyday speech | 白天我在家 | 白的天我在家 |
| Meaning | 白天 = daytime | 白的天 = white sky |
Appears in Stories 4 stories
A young man helps an old man look for his cat. But the real surprise is why the old man wanted to find the cat. Read on to learn about kindness and friendship.
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白天明 住在中国的一个大学里。
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一天， 白天明 在学校大门口前边看见有人写了找猫的话：“我想找一只 大白猫 。
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我的 大白猫 叫‘ 大白 '。
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谁看见我的 大白猫 大白 ，请打电话给三号房间。”
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白天明 天天在学校里找 大白猫 。
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找了一个月， 白天明 也没有看见那只 大白猫 。
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一天下午， 白天明 去三号房间看老先生。
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白天明 看见老先生的家里，有一只很大 很白的 大猫。
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白天明 问：“老先生，您家里有 大白猫 ，您怎么还要找 大白猫 呢？”
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老先生对 白天明 说：“我八十岁了，儿子和女儿都在北京工作，我一个人住在这里。
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白天明 听了，坐在老先生前边。
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白天明 对老先生说：“老先生，我天天都来这里和您说话。
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白天明 觉得，今天天气真好。
In this dialogue, two people chat while waiting outside a cinema. You'll hear common phrases for talking about hobbies, sports, and movie preferences.
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我最喜欢看 黑白 老电影。
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今天我们就要看一个外国 黑白 老电影。
Read about a work trip to Beijing where a group of colleagues takes a very large airplane. Practice weather words and actions in a simple travel story.
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我们下飞机的时候是 白天 ，但是天气有一点儿冷。
This short, simple story follows a shopper's trip to the supermarket to buy apples. You'll learn useful vocabulary for shopping, prices, and comparing things.
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今天 白天 的时候，我去我家这边的超市买东西。
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