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March 24, 2026
为什么(為什麼)wèishénme(wei4shen2me5)
为什么 (wèi shén me) is a question word that translates to 'why' in English. It is commonly used to inquire about reasons or causes behind actions, events, or situations. This phrase is essential for asking for explanations in both casual and formal contexts.
Frequency#86DifficultyMedium
Cultural Note
Asking '为什么' is a common practice in Chinese culture, reflecting a deep-rooted value placed on understanding and reasoning. It is often used in educational contexts where students are encouraged to explore the reasons behind concepts and events.
Memory Tip
Imagine a person scratching their head in confusion, asking 'Why?' while pointing at a giant question mark (represented by '为什么'). The character 为 (wèi) suggests 'for' (like 'for the sake of'), while 什么 (shén me) means 'what', together forming the essence of questioning 'for what reason?'.
Meanings of 为什么
wèishénme(wei4shen2me5)
1why?
2for what reason?
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About 为什么
为什么Simplified
為什麼Traditional
—Strokes
—Radical
代词dàicípronoun (pron.)Part of Speech
#86Frequency Rank
HSK 2.0L2HSK 3.0L2ElementaryTOCFLL2HSKKL1CEFRA1
Podcast: 为什么
Podcast: 为什么
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AI Study Notes for 为什么
Memory Mnemonic
Imagine a person scratching their head in confusion, asking 'Why?' while pointing at a giant question mark (represented by '为什么'). The character 为 (wèi) suggests 'for' (like 'for the sake of'), while 什么 (shén me) means 'what', together forming the essence of questioning 'for what reason?'.
Usage Notes
Be careful with the tonal pronunciation; the tones are crucial in Mandarin. This phrase is typically used in informal conversations but can also be appropriate in formal settings when seeking clarification. Common collocations include '你为什么' (nǐ wèi shén me, 'why do you...') and '为什么不' (wèi shén me bù, 'why not...').
HSK Study Tips
As an HSK Level 2 word, 为什么 connects with other question words like '什么' (shén me, 'what') and '谁' (shéi, 'who'). Focus on practicing it in various sentence structures to build confidence in forming questions.
Cultural Note
Asking '为什么' is a common practice in Chinese culture, reflecting a deep-rooted value placed on understanding and reasoning. It is often used in educational contexts where students are encouraged to explore the reasons behind concepts and events.
Common Mistakes
Learners often mispronounce 为什么 by neglecting the tones, saying 'wei shen me' instead of the correct 'wèi shén me'. Additionally, some might confuse it with '怎么' (zěn me, 'how'), which asks about the manner rather than the reason.
AI-enhanced 2026-03-24
Pronunciation of 为什么
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Grammar Patterns of 为什么
为什么 functions as a pronoun — it stands in for a noun. Use it in the same positions as nouns (subject before verb, object after). Plurals are formed by adding 们 (我们, 他们). It carries 2 related meanings, each with its own usage notes below. The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.
wǒ zhēn de bù míng bái wéi shí mó yào gǎi biàn tā。
I really don't see any reason for changing it.
2
为什么我感觉又被利用了？
wéi shí mó wǒ gǎn jué yòu bèi lì yòng le？
Why do I have the feeling I'm being used again?
3
你是什么样的人和你想成为什么样的之间的差距就是，你做了什么。
nǐ shì shí mó yàng de rén hé nǐ xiǎng chéng wéi shí mó yàng de zhī jiān de chà jù jiù shì， ， nǐ zuò le shí。
The difference between who you are and who you want to be is what you do.
4
为什么像大学这样人才济济的社区要害怕虚无主义呢？
wéi shí mó xiàng dà xué zhè yàng rén cái jì jì de shè qū yào hài pà xū wú zhǔ yì ne？
Why should a great community like a university be afraid of nihilism?
5
你真自以为是。我们为什么要费那么大的力气？
nǐ zhēn zì yǐ wéi shì。 。 wǒ mén wéi shí mó yào fèi nà mó dà de lì？
You flatter yourself. Why would we go to such ludicrous lengths?
6
“你为什么晚了？”——“我走错了方向。”
“ “ nǐ wéi shí mó wǎn？”——“ le ？”——“ wǒ zǒu cuò le。”
"What kept you?" — "I went in the wrong direction."
7
你为什么非要插手？
nǐ wéi shí mó fēi yào chā shǒu？
Why did you have to stick your nose in?
8
“你为什么不早告诉我？”亨特厉声问道。
“ “ nǐ wéi shí mó bù zǎo gào sù？” wǒ ？” hēng tè lì shēng。
"Why didn't you tell me before?" asked Hunter harshly.
9
你为什么做每件事情都跟你非要赢似的？
nǐ wéi shí mó zuò měi jiàn shì qíng dū gēn nǐ fēi yào yíng sì de？
Why must you do everything as if you have to win?
10
“你为什么不告诉我们？”“我不想让你们担心。”
“ “ nǐ wéi shí mó bù gào sù wǒ？”“ mén ？”“ wǒ bù xiǎng ràng nǐ mén。”
"Why didn't you tell us?" — "I didn't want to worry you."
Cultural Notes for 为什么
🏮Cultural insight
Asking '为什么' is a common practice in Chinese culture, reflecting a deep-rooted value placed on understanding and reasoning. It is often used in educational contexts where students are encouraged to explore the reasons behind concepts and events.
Frequently Asked Questions about 为什么
You can use 为什么 at the beginning of a sentence to ask, for example, '为什么你去北京?' (Why are you going to Beijing?).
Yes, you can also use '为何' (wéi hé) as a more formal synonym for '为什么', although it is less common in everyday conversation.
Yes, while it's more conversational, 为什么 can be used in formal writing, especially when asking for explanations.
