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March 24, 2026
万一(萬一)wànyī(wan4yi1)
万一 (wàn yī) refers to a hypothetical situation or contingency, often translated as 'just in case' or 'if by any chance.' It is commonly used to express caution or to prepare for unexpected events, particularly in formal or serious contexts.
Frequency#2484DifficultyMedium
Cultural Note
In Chinese culture, being prepared for unforeseen circumstances is valued, often reflecting a pragmatic approach to life. The concept of 万一 is prevalent in traditional sayings about caution and foresight.
Memory Tip
Imagine a scenario where you have a backup plan '万一' (wàn yī) for every situation. The first character '万' (wàn) looks like a large number, which suggests extreme possibilities, while '一' (yī) represents a single chance. Picture a large safety net just in case something goes wrong!
Meanings of 万一
wànyī(wan4yi1)
1just in case
2if by any chance
Exercise 1 of 2
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About 万一
万一Simplified
萬一Traditional
—Strokes
—Radical
连词连词conjunction (conj.)Part of Speech
#2484Frequency Rank
HSK 2.0L5HSK 3.0L5IntermediateTOCFLL4HSKKL2CEFRB1
Podcast: 万一
Podcast: 万一
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AI Study Notes for 万一
Quick Contrast
万一 (wànyī) vs 以防 (yǐfáng) — use 万一 for hypothetical scenarios, while 以防 emphasizes precautionary measures.
Memory Mnemonic
Imagine a scenario where you have a backup plan '万一' (wàn yī) for every situation. The first character '万' (wàn) looks like a large number, which suggests extreme possibilities, while '一' (yī) represents a single chance. Picture a large safety net just in case something goes wrong!
Usage Notes
万一 is typically used in conditional sentences to introduce a hypothetical scenario. Be careful not to confuse it with '如果' (rúguǒ), which means 'if' in a more general sense. It is more formal and may not be suitable for casual conversations.
HSK Study Tips
As an HSK Level 5 word, 万一 connects with other conditional phrases like '如果' (rúguǒ) and '要是' (yàoshi). Students should focus on using it in context, particularly in discussing plans or precautions.
Cultural Note
In Chinese culture, being prepared for unforeseen circumstances is valued, often reflecting a pragmatic approach to life. The concept of 万一 is prevalent in traditional sayings about caution and foresight.
Common Mistakes
Learners often misuse 万一 with a literal translation, saying something like '如果万一' (rúguǒ wàn yī), which is incorrect. Instead, use 万一 alone, as in '万一发生什么情况.'
AI-enhanced 2026-03-24
Pronunciation of 万一
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Grammar Patterns of 万一
万一 functions as a number. It almost always combines with a measure word before a noun (三个人, 五本书). Standalone numbers are rare outside of math or counting. It carries 3 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.
It may rain and you'd better take an umbrella just in case.
8
他握紧手抢, 以防万一.
tā wò jǐn shǒu qiāng, , yǐ fáng wàn.
He gripped his pistol tightly, just in case.
9
“ 万一刘玉英倒不愿意 呢 ? ”
“ “ wàn yī liú yù yīng dǎo bù yuàn yì?”
" What if Liu Yu - ying's not willing? "
10
就算仅仅是为了以防万一，难道他就不能挪到安全的地方吗？
jiù suàn jǐn jǐn shì wéi le yǐ fáng wàn yī， ， nán dào tā jiù bù néng nuó dào ān quán de dì fāng？
Could he not, just as a precaution, move to a place of safety?
Cultural Notes for 万一
🏮Cultural insight
In Chinese culture, being prepared for unforeseen circumstances is valued, often reflecting a pragmatic approach to life. The concept of 万一 is prevalent in traditional sayings about caution and foresight.
Frequently Asked Questions about 万一
You can say, '万一下雨，我会带伞' (If it rains, I will bring an umbrella).
万一 can be used in both spoken and written Chinese, but it's more common in formal writing.
Yes, it is often used to discuss future plans and precautions.
