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之所以 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
之所以zhīsuǒyǐthe reason whyHSK 6, unknown, 15 strokes, rank #3610, Hard
zhīsuǒyǐ(zhi1suo3yi3)zhi suo yi T1
  1. 1the reason why
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March 24, 2026

之所以zhīsuǒyǐ(zhi1suo3yi3)

之所以 (zhī suǒ yǐ) is a phrase that translates to 'the reason why' in English. It is often used to explain the cause or rationale behind a situation or action, frequently followed by a clause that elaborates on that reason.

Strokes15Frequency#3610DifficultyHard
Cultural note

In Chinese culture, understanding the reasoning behind actions is often emphasized, reflecting a collectivist mindset where reasoning is valued over individual opinion. This phrase encapsulates that cultural nuance.

Memory tip

Think of 之 (zhī) as a 'pointer' pointing to the reason, 所 (suǒ) as a 'place' where the reason is found, and 以 (yǐ) as 'to use' this reason. Imagine a detective using clues (the reasons) to solve a mystery.

Meanings of 之所以

zhīsuǒyǐ(zhi1suo3yi3)
1the reason why
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About 之所以

之所以Simplified
15Strokes
—Radical
连词连词conjunction (conj.)Part of Speech
#—Frequency Rank
HSK 3.0L6AdvancedCEFRC2

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AI study notes for 之所以

Usage Notes

Be cautious with the placement of 之所以 in a sentence; it typically precedes the explanation it introduces. It's used in both formal and informal contexts, but is more common in written Chinese. A common collocation is '之所以...是因为...' (the reason why... is that...).

HSK Study Tips

While 之所以 is not specifically listed in HSK levels, it connects well with phrases used in HSK 4 and above that involve causality. Focus on constructing complex sentences using this phrase to enhance your fluency.

Common Mistakes

Learners often misplace 之所以 in sentences, leading to confusion. For example, saying '我喜欢这个城市之所以是因为它' instead of the correct '我之所以喜欢这个城市是因为它'.

AI-enhanced 2026-03-24

Pronunciation of 之所以

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Component characters

之zhī(possessive particle, literary equivalent of 的[de])
HSK 43 strokes丿
View full entry
所suǒactually
HSK 58 strokes户
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以yǐto use
HSK 54 strokes人
View full entry

How to say the reason why in Chinese

“the reason why” in Chinese is之所以zhīsuǒyǐ

之所以 (zhī suǒ yǐ) is a phrase that translates to 'the reason why' in English. It is often used to explain the cause or rationale behind a situation or action, frequently followed by a clause that elaborates on that reason.

When to use 之所以

Be cautious with the placement of 之所以 in a sentence; it typically precedes the explanation it introduces. It's used in both formal and informal contexts, but is more common in written Chinese. A common collocation is '之所以...是因为...' (the reason why... is that...).

What learners get wrong

Learners often misplace 之所以 in sentences, leading to confusion. For example, saying '我喜欢这个城市之所以是因为它' instead of the correct '我之所以喜欢这个城市是因为它'.

Write 之所以

之
所
以

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Cultural Notes for 之所以

💡Did you know?

'之所以' is a commonly used phrase in Chinese, often appearing in formal writing and speeches. It helps to explain reasoning clearly, making it an important phrase in persuasive language.

Frequently asked questions about 之所以

Examples of 之所以 in sentences include: '我之所以来这里,是因为我想学习中文' (The reason why I came here is that I want to learn Chinese) and '她之所以喜欢这本书,是因为它很有趣' (The reason why she likes this book is that it is very interesting). These examples illustrate how the phrase connects reasoning with outcomes.

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