解 jiě

解 depicts a knife separating a horn from a cow — the original act of cutting apart.

The character 解 combines 角 (horn), 刀 (knife), and 牛 (cow). Picture a butcher using a knife to cut a horn off a cow. That physical act of separating and loosening gives 解 its core meaning: to untie, undo, or explain.

角 horn 刀 knife 牛 cow

Common Usage & Traps

  • 了解 (liǎojiě) — to understand; to know about
  • 解决 (jiějué) — to solve; to resolve
  • 解释 (jiěshì) — to explain
  • 解开 (jiěkāi) — to untie; to undo
  • 解我 了解我

    解 alone does not mean 'understand' in modern Mandarin; it must pair with 了 or another verb.

  • 解问题 解决问题

    解 alone cannot mean 'solve' as a standalone verb; use the full verb 解决.

Why do 解 and 姐 look so similar, and how can I tell them apart?

They share the same right-side component, but 解 has 角+刀+牛 on the left, while 姐 has 女 on the left.

解 and 姐 are look-alikes because both contain the component on the right. The key difference is the left side: 解 uses 角 (horn) plus 刀 (knife) and 牛 (cow), while 姐 uses 女 (woman). 姐 means 'older sister' and is HSK 2; 解 means 'to untie/understand' and is HSK 3. Remember: 姐 has a woman, 解 has a knife and horn.
Dimension解姐
Left component角 + 刀 + 牛女
Meaninguntie, understand, explainolder sister
HSK levelHSK 3HSK 2
Example了解 (understand)姐姐 (older sister)

Can I use 解 by itself to mean 'understand' or 'solve'?

No, in modern Mandarin 解 is usually bound and needs a partner like 了, 决, or 释.

解 almost always teams up with another character. To say 'understand', use 了解; to say 'solve', use 解决; to say 'explain', use 解释. Using 解 alone sounds incomplete or classical. Only in a few fixed expressions like 解渴 (quench thirst) does it stand somewhat alone, but even then it is part of a compound.
DimensionNaturalAvoid
Understand了解解
Solve解决解
Explain解释解
Untie解开解

Appears in Stories 3 stories

《大学者和小人物》 The Scholar and the Cookie Seller
HSK 5 ~8 min read 882 chars
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Discover how a simple letter from a cookie seller led to an unexpected friendship with a famous scholar. This heartwarming story explores kindness and connection across social divides.

  • 他比较支持美国,但理论上说不明白,一直得不到满意的 解释 。

  • 信中说:“你提出的问题太大,我不能给你一个可以使我自己认为满意的 解释 。

《成语0001:东山再起》 The Comeback: From Eastern Mountain to Success
HSK 7 ~5 min read 589 chars
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Learn the fascinating story behind the Chinese idiom '东山再起' (Dongshan Zaiji), which means to make a comeback. Discover its historical roots and modern usage.

  • 比如:这个项目已经被取消了,团队也 解散 了。

《这还是茶馆儿吗?》 Teahouse or Cinema?
HSK 3 ~3 min read 325 chars
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Ever wondered where old Beijing's tea-drinking culture has gone? Follow a visitor discovering why locals now avoid famous tea houses—and practice expressing surprise and comparisons in Chinese along the way.

  • 前天有个朋友告诉我,要想 了解 老北京的文化,应该去老茶馆喝一次"大碗儿茶"。

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