The Anxious "If": Using {万一|wànyī}
Grammar Rule in 30 Seconds
Use {万一|wànyī} to express a remote, anxious possibility or a 'just in case' scenario.
- Use it for unlikely, negative events: {万一|wànyī}下雨，我们就取消活动 (If by any chance it rains, we'll cancel).
- Often paired with {就|jiù} or {的话|dehuà} in the result clause.
- It emphasizes the speaker's worry or preparation for a rare outcome.
Overview
In Chinese, expressing a hypothetical situation—an "if" clause—can be done in several ways. While 如果 (rúguǒ) serves as the neutral, all-purpose conditional, the language offers a more specific and psychologically rich tool for discussing possibilities you hope don't happen: 万一 (wànyī). Literally meaning "ten thousand one," 万一 translates to a conceptual one-in-ten-thousand chance.
It’s the perfect linguistic tool for contingency planning, voicing anxiety, and discussing low-probability, high-impact events.
Think of 万一 not just as "if," but as "on the off-chance that," "just in case," or "what if [something bad happens]...". It fundamentally alters the tone of a sentence from a simple logical proposition to a statement of caution. Using 万一 signals that the speaker perceives the hypothetical scenario as both unlikely and undesirable.
It is the grammar of carrying an umbrella under a sunny sky or buying travel insurance; you don't expect to use it, but you are preparing for the negative consequences if you do.
At the B2 level, mastering 万一 is crucial for moving beyond simple factual conditionals and into nuanced communication that reflects emotional and psychological states. It allows you to articulate concerns, propose backup plans, and persuade others to take precautions in a way that is both natural and precise. Understanding 万一 is understanding the grammar of prudence.
How This Grammar Works
万一 (wànyī) functions as a subordinating conjunction. It introduces a conditional clause that sets up a hypothetical scenario. However, its primary role is semantic and pragmatic; it injects a specific mood and perspective into the conversation.万一 itself reflects this—out of ten thousand possibilities (万), you must still account for the single adverse one (一). This makes it a powerful tool in both personal and professional contexts.我们得准备一个备用计划，万一原来的方案行不通 (Wǒmen děi zhǔnbèi yīgè bèiyòng jìhuà, wànyī yuánlái de fāng'àn xíng bùtōng), you are not just saying "If the original plan doesn't work." You are communicating, "The original plan is solid, but on the off-chance it fails, we need a contingency." It demonstrates foresight, not a lack of confidence.你最好带着钥匙，万一我出门了呢？ (Nǐ zuìhǎo dàizhe yàoshi, wànyī wǒ chūménle ne?).如果我出门了 (rúguǒ wǒ chūménle) lacks this specific flavor of precautionary planning for an unlikely event.万一 does two jobs at once: it introduces a condition while simultaneously commenting on the nature of that condition (unlikely and unwelcome). This efficiency makes it a staple in expressing everything from minor daily worries to critical business risks.Formation Pattern
万一 (wànyī) is grammatically flexible and can be integrated into several common sentence patterns. These structures generally revolve around either posing a worried question or stating a contingency plan. The clause introduced by 万一 can appear before or after the main clause, though it most commonly comes first.
万一 + [Unlikely Negative Scenario], + (该/可)怎么办? (wànyī..., (gāi/kě) zěnme bàn?)
万一我们赶不上末班车，该怎么办？
他负责这么重要的项目，万一出了差错可怎么办？
万一 + [Unlikely Negative Scenario], + (那/就) + [Consequence / Precautionary Action]
你把地址记下来，万一手机没电了，你就知道怎么走。
万一明天的会议取消，那我就直接去机场。
以防万一 (yǐfáng wànyī)
[Precautionary Action], + 以防万一.
我把所有重要文件都备份了一份，以防万一。
出门前最好检查一下门窗，以防万一。
万一 + [Scenario], 怎么办? | To voice anxiety and seek a solution. | 万一堵车怎么办？ (What if there's traffic?) |
万一 + [Scenario], 就 + [Action] | To state a prepared response to a potential risk. | 万一停电，就用蜡烛。 (If the power goes out, use candles.) |
[Action], 以防万一 | To justify a preventative measure that has been taken. | 多带点钱，以防万一。 (Bring extra money, just in case.) |
When To Use It
万一 is broadly for "unlikely, negative events," its application in real life is nuanced. At a B2 level, you should be able to deploy it in a variety of specific situations.万一 is the standard term for professional risk assessment. Here, it is not about emotional anxiety but about diligent foresight. It is used to introduce potential failure points and their corresponding mitigation strategies.- Example (IT):
万一服务器遭到攻击，我们的防火墙能阻止大部分威胁。(Wànyī fúwùqì zāodào gōngjī, wǒmen de fánghuǒqiáng néng zǔzhǐ dà bùfèn wēixié.) In the unlikely event the server is attacked, our firewall can block the majority of threats. - Example (Finance):
我们必须考虑万一利率突然上升，对我们投资组合的影响。(Wǒmen bìxū kǎolǜ wànyī lìlǜ túrán shàngshēng, duì wǒmen tóuzī zǔhé de yǐngxiǎng.) We must consider the impact on our portfolio should interest rates suddenly rise.
万一 is the go-to word for voicing the nagging "what if" thoughts that occupy our minds, especially concerning the well-being of others or oneself.- Example (Health):
他咳得这么厉害，万一得了肺炎怎么办？(Tā ké dé zhème lìhài, wànyī déle fèiyán zěnme bàn?) He's coughing so badly, what if he has pneumonia? - Example (Relationships):
她已经半小时没回信息了，万一她生我气了……(Tā yǐjīng bàn xiǎoshí méi huí xìnxīle, wànyī tā shēng wǒ qìle...) She hasn't replied for half an hour; what if she's angry at me...
万一 to gently persuade someone to take a precaution. It frames the advice as helpful foresight rather than criticism. This indirectness is a common feature of polite Chinese communication.- Instead of:
你必须现在备份，否则会丢失数据！(Nǐ bìxū xiànzài bèifèn, fǒuzé huì diūshī shùjù!) - You must back up now or you'll lose data! - Use:
你最好现在备份一下，万一电脑突然坏了呢？(Nǐ zuìhǎo xiànzài bèifèn yīxià, wànyī diànnǎo túrán huàile ne?) - You'd better back it up now; what if the computer suddenly breaks?
万一 can be used to propose an idea while simultaneously acknowledging the possibility of being wrong. It's a humble way to present a point, showing you are open to correction.- Example:
这只是我的个人看法，说得不一定对。万一我理解有误，还请各位专家指正。(Zhè zhǐshì wǒ de gèrén kànfǎ, shuō dé bù yīdìng duì. Wànyī wǒ lǐjiě yǒu wù, hái qǐng gèwèi zhuānjiā zhǐzhèng.) This is just my personal view, and it may not be correct. If by any chance my understanding is mistaken, I welcome corrections from the experts.
Common Mistakes
万一 by treating it as a direct equivalent of the English "if." Understanding its specific connotations of low probability and negative outcome is key to avoiding these common errors.万一 for High-Probability or Neutral Events万一 is reserved for the unlikely. Using it for something that is probable or expected makes you sound illogical or overly dramatic.- Incorrect:
现在是夏天，万一明天很热，我们就去游泳。(Xiànzài shì xiàtiān, wànyī míngtiān hěn rè, wǒmen jiù qù yóuyǒng.) - Why it's wrong: Hot weather in summer is expected.
万一implies it would be a surprise. It sounds like you're living in a place where summer is usually cold. - Correct:
如果明天很热，我们就去游泳。(Rúguǒ míngtiān hěn rè, wǒmen jiù qù yóuyǒng.)
万一 for Purely Positive Outcomes万一 is coded with caution and concern. Using it for a straightforward good thing is jarring and unnatural because you are not planning against a negative outcome.- Incorrect:
万一我面试成功了，我们去庆祝吧。(Wànyī wǒ miànshì chénggōngle, wǒmen qù qìngzhù ba.) - Why it's wrong: This sounds like you are worried about succeeding in the interview. It implies that success is an undesirable, low-probability event. An exception exists for sarcasm or worrying about the consequences of success (e.g.,
万一我中奖了，就有好多人来借钱，真麻烦。- What if I win the lottery, then so many people will come to borrow money, what a hassle). - Correct:
如果我面试成功了，我们去庆祝吧。(Rúguǒ wǒ miànshì chénggōngle, wǒmen qù qìngzhù ba.)
万一 with 以防万一万一 is a conjunction that introduces a clause. 以防万一 is a fixed adverbial phrase. They cannot be swapped or have their internal word order changed.- Incorrect:
我多带了一件外套，万一以防。(Wǒ duō dàile yī jiàn wàitào, wànyī yǐfáng.) - Why it's wrong: The structure is broken. You are mixing the conjunction with the fixed phrase.
- Correction 1:
我多带了一件外套，以防万一。(I brought an extra jacket, just in case.) - Correction 2:
万一天气变冷，我就有外套穿了。(In case the weather gets cold, I'll have a jacket to wear.)
万一 (wànyī) | Any | Very Low | Negative, Anxious | Contingency planning, expressing worries. |如果 (rúguǒ) | Any | Any | Neutral | The default, all-purpose "if." |要是 (yàoshi) | Informal | Any | Neutral | Casual, spoken alternative to 如果. |假如 (jiǎrú) | Formal | Low to Any | Neutral, Abstract | Formal writing, thought experiments ("Suppose that..."). |倘若 (tǎngruò) | Literary/Formal | Low to Any | Neutral, Hypothetical | Written and formal contexts, similar to 假如. |Real Conversations
Textbook examples are clean, but real-world usage shows the true versatility of 万一. Here’s how you might see it in different modern contexts.
Context 1: Texting Between Friends (Planning a Trip)
Person A
周六去爬山，别忘了带够水。(Zhōuliù qù páshān, bié wàngle dài gòu shuǐ.)
We're hiking on Saturday, don't forget to bring enough water.*
Person B
放心吧！我还带了创可贴和防蚊喷雾，以防万一。(Fàngxīn ba! Wǒ hái dàile chuàngkětiē hé fáng wén pēnwù, yǐfáng wànyī.)
Don't worry! I'm also bringing band-aids and mosquito repellent, just in case.*
Person A
哈哈，你想得真周到。万一下雨怎么办？看天气预报了吗？(Haha, nǐ xiǎng dé zhēn zhōudào. Wànyī xià yǔ zěnme bàn? Kàn tiānqì yùbàole ma?)
Haha, you're so thorough. What if it rains? Did you check the forecast?*
Analysis
以防万一 as a justification for being prepared and 万一 as a tool to bring up another potential problem. It is a classic example of collaborative contingency planning in a casual setting.Context 2: Professional Email (Internal Project Update)
Subject
关于APP 3.5版本发布前的最后检查 (Regarding the Final Check Before APP Version 3.5 Release)大家好，
请在今天下班前完成各自模块的最终测试。我已经准备好了紧急回滚预案，万一发布后出现重大BUG，我们可以在5分钟内恢复到3.4版本，将影响降到最低。
Dàjiā hǎo,
Qǐng zài jīntiān xiàbān qián wánchéng gèzì mókuài de zuìzhōng cèshì. Wǒ yǐjīng zhǔnbèi hǎole jǐnjí huí gǔn yù'àn, wànyī fābù hòu chūxiàn zhòngdà BUG, wǒmen kěyǐ zài 5 fēnzhōng nèi huīfù dào 3.4 bǎnběn, jiāng yǐngxiǎng jiàng dào zuìdī.
Hello everyone,*
Please complete the final testing of your respective modules before the end of work today. I have already prepared the emergency rollback plan. In the unlikely event a critical bug appears after release, we can restore version 3.4 within 5 minutes to minimize the impact.*
Analysis
万一 in a professional context. It is not emotional or anxious. Instead, it signals competence and thorough planning. It assures the team that a risk has been identified and a solution is ready.Context 3: Social Media Post (Xiaohongshu / Little Red Book)
Title
留学党必备！这些东西出国前一定要准备！ (Must-haves for studying abroad! Prep these before you go!)…除了各种文件，我都会多配一副备用眼镜带过去。因为在国外配眼镜又贵又麻烦。万一镜框摔坏了或者镜片丢了，有备用的就不慌了。姐妹们，这个真的很有必要，以防万一！
...Chúle gèzhǒng wénjiàn, wǒ dūhuì duō pèi yī fù bèiyòng yǎnjìng dài guòqù. Yīnwèi zài guówài pèi yǎnjìng yòu guì yòu máfan. Wànyī jìngkuàng shuāi huàile huòzhě jìngpiàn diūle, yǒu bèiyòng de jiù bù huāngle. Jiěmèimen, zhège zhēn de hěn yǒu bìyào, yǐfáng wànyī!
...Besides all the documents, I always get an extra pair of backup glasses to take with me. Because getting glasses abroad is expensive and a hassle. In the off-chance the frame breaks or you lose a lens, you won't panic if you have a backup. Sisters, this is truly necessary, just in case!*
Analysis
万一 to present a hypothetical problem (镜框摔坏了) and then provides the solution (有备用的就不慌了). It concludes with 以防万一 as a memorable, hashtag-style piece of advice, making the tip both practical and relatable.Quick FAQ
万一 for something positive?It is extremely rare and almost always ironic or focused on the negative consequences of a positive event. For example, a sarcastic person might say, 万一我这次又考了第一名，多不好意思啊 (Wànyī wǒ zhè cì yòu kǎole dì yī míng, duō bù hǎoyìsi a - What if I get first place again, how embarrassing). A more standard use would be to worry about the fallout of a good thing: 万一我中了大奖，所有的亲戚都来找我借钱怎么办？ (Wànyī wǒ zhòngle dàjiǎng, suǒyǒu de qīnqī dōu lái zhǎo wǒ jiè qián zěnme bàn? - What if I win the lottery, and all my relatives come to borrow money?). For straightforward positive hypotheticals, always use 如果 (rúguǒ).
万一 (wànyī) and 假如 (jiǎrú)?Both can translate to "if," but they serve different purposes. 万一 implies low probability and a negative outcome you want to guard against. 假如 (jiǎrú), along with its cousin 倘若 (tǎngruò), is a more formal and neutral term for "suppose" or "let's assume." 假如 is for thought experiments (假如你能回到过去... - Suppose you could go back in time...), whereas 万一 is for practical risk management (万一航班被取消... - In case the flight is cancelled...).
如果万一 (rúguǒ wànyī). Is that correct?Yes, 如果万一 is a common colloquialism. Grammatically, it's redundant, like saying "if just in case." However, speakers use it to add extra emphasis on the extreme unlikelihood and severity of the scenario. It's a way of saying, "Okay, this is a real long shot, but if, by some miracle of misfortune, this happens..." It adds dramatic weight but is not necessary for clear communication.
万一 (wànyī) related to the number 一万 (yíwàn)?They use the same characters but are completely different in meaning and function. 一万 (yíwàn) is the numeral for 10,000. 万一 (wànyī) is a conjunction derived from the concept of a "one in ten thousand" chance. The word order is critical and completely changes the meaning. There is no grammatical or semantic overlap between the two.
万一 clause always have to come at the beginning of the sentence?No. While it's common for the 万一 clause to come first, it can also follow the main clause, especially in spoken Chinese. This often happens when a thought is added as an afterthought. For example: 我们还是早点出发吧，万一路上堵车呢。 (Wǒmen háishì zǎodiǎn chūfā ba, wànyī lùshàng dǔchē ne - Let's head out a bit earlier, what if there's traffic on the road?). The rule is that 万一 must be at the start of its own clause, but that clause can be positioned flexibly within the larger sentence.
Formation Structure
| Part 1 | Part 2 | Part 3 | Example |
|---|---|---|---|
|
万一
|
Subject
|
Verb/Condition
|
{万一|wànyī}他没来，就取消。
|
|
万一
|
Subject
|
Negative Verb
|
{万一|wànyī}你不去，就告诉我。
|
|
万一
|
Subject
|
Verb + 的话
|
{万一|wànyī}下雨的话，就带伞。
|
Meanings
Used to introduce a hypothetical, usually undesirable, event that has a low probability of occurring but requires preparation.
Remote possibility
Expressing a 'what if' scenario for something unlikely.
“{万一|wànyī}明天停电，我们就去图书馆。”
“{万一|wànyī}找不到路，请给我打电话。”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Standard
|
万一 + Condition + Result
|
{万一|wànyī}下雨，我们就回家。
|
|
With '的话'
|
万一 + Condition + 的话 + Result
|
{万一|wànyī}他忘了的话，请提醒他。
|
|
Negative
|
万一 + Subject + 不/没 + Verb
|
{万一|wànyī}你没空，就别来了。
|
|
Question
|
万一 + Condition + 怎么办？
|
{万一|wànyī}找不到路，怎么办？
|
|
Emphasis
|
万一 + Condition + 就 + Result
|
{万一|wànyī}迟到，就打车。
|
Formality Spectrum
{万一|wànyī}您迟到，请务必提前告知。 (Meeting coordination)
{万一|wànyī}你迟到，请给我打电话。 (Meeting coordination)
{万一|wànyī}你迟到了，记得call我。 (Meeting coordination)
迟到的话call我。 (Meeting coordination)
The '万一' Mindset
Tone
- Anxious Worried
- Cautious Prepared
Usage
- Negative Undesirable
- Rare Unlikely
万一 vs 如果
Examples by Level
{万一|wànyī}下雨，带伞。
If by any chance it rains, take an umbrella.
{万一|wànyī}没钱，怎么办？
If by any chance there's no money, what to do?
{万一|wànyī}他忘了，提醒他。
If by any chance he forgets, remind him.
{万一|wànyī}迟到，就打车。
If by any chance you're late, take a taxi.
{万一|wànyī}找不到路，就问警察。
If by any chance you can't find the way, ask a policeman.
{万一|wànyī}他不来，我们自己去。
If by any chance he doesn't come, we'll go ourselves.
{万一|wànyī}考试没过，怎么办？
If by any chance I fail the exam, what to do?
{万一|wànyī}手机没电了，带充电宝。
If by any chance the phone runs out of battery, bring a power bank.
{万一|wànyī}项目延期的话，我们要提前通知客户。
If by any chance the project is delayed, we need to notify the client in advance.
{万一|wànyī}明天会议取消，请及时告知大家。
If by any chance tomorrow's meeting is canceled, please inform everyone in time.
{万一|wànyī}发生意外，请拨打这个号码。
If by any chance an accident happens, please dial this number.
{万一|wànyī}他不同意，我们再想别的办法。
If by any chance he doesn't agree, we'll think of another way.
{万一|wànyī}数据丢失，我们必须有云端备份。
If by any chance the data is lost, we must have a cloud backup.
{万一|wànyī}经济形势恶化，公司将采取紧缩政策。
If by any chance the economic situation worsens, the company will adopt austerity measures.
{万一|wànyī}出现突发状况，请保持冷静。
If by any chance an emergency occurs, please stay calm.
{万一|wànyī}你无法按时交付，请务必提前沟通。
If by any chance you cannot deliver on time, please be sure to communicate in advance.
{万一|wànyī}局势发生逆转，我们之前的努力将付诸东流。
If by any chance the situation reverses, our previous efforts will be in vain.
{万一|wànyī}由于不可抗力导致延误，我们将启动应急预案。
If by any chance delays occur due to force majeure, we will activate the contingency plan.
{万一|wànyī}实验结果与预期不符，我们需要重新评估假设。
If by any chance the experimental results don't match expectations, we need to re-evaluate the hypothesis.
{万一|wànyī}市场需求饱和，我们必须寻找新的增长点。
If by any chance market demand saturates, we must find new growth points.
{万一|wànyī}此举引发公众质疑，公关部门需即刻介入。
If by any chance this action triggers public skepticism, the PR department needs to intervene immediately.
{万一|wànyī}架构设计存在缺陷，后续的维护成本将难以估量。
If by any chance there are flaws in the architecture design, the subsequent maintenance costs will be immeasurable.
{万一|wànyī}由于疏忽导致数据泄露，后果将不堪设想。
If by any chance data leakage occurs due to negligence, the consequences will be unimaginable.
{万一|wànyī}政策导向发生偏移，行业格局将面临重塑。
If by any chance the policy direction shifts, the industry landscape will face reshaping.
Easily Confused
Both mean 'if'.
Both are hypothetical.
Both are conditional.
Common Mistakes
万一明天天气好...
如果明天天气好...
万一我吃午饭。
如果我吃午饭...
万一他来，我就高兴。
如果他来，我就高兴。
万一你明天去学校。
如果明天去学校...
万一我赢了比赛。
如果我赢了比赛...
万一明天是周一。
如果明天是周一...
万一我喜欢你。
如果我喜欢你...
万一他会来。
如果他会来。
万一我明天去工作。
如果我明天去工作。
万一你很漂亮。
如果...（不适用）
万一他是个好人。
如果他是个好人。
万一太阳从西边出来。
如果太阳从西边出来。
万一我明天有空。
如果我明天有空。
Sentence Patterns
万一___，就___。
万一___的话，___。
万一___，怎么办？
为了防止万一，___。
Real World Usage
{万一|wànyī}下雨，我们改天吧。
{万一|wànyī}延期，请告知。
{万一|wànyī}错过火车，怎么办？
{万一|wànyī}发生火灾，请走楼梯。
{万一|wànyī}明天没票了，我就不去了。
{万一|wànyī}送餐慢，请联系客服。
Focus on the 'Worry'
Don't use for positive events
Pair with '就'
Use in business
Smart Tips
Use 万一 to show you have a plan B.
Use 万一 to introduce the risk.
Use 万一 to explain why you need help.
Use 万一 to list contingencies.
Pronunciation
Tone of 万
万 is 4th tone (wàn).
Tone of 一
一 is 1st tone (yī).
Anxious
万一... (rising pitch)
Conveys genuine worry.
Memorize It
Mnemonic
Think of '万一' as '1 in 10,000'—the odds are tiny, but you're still worried!
Visual Association
Imagine carrying a giant, heavy umbrella on a perfectly sunny day. You look anxious, checking the sky. That's the '万一' feeling.
Rhyme
万一万一，千万分之一，担心出错，提前准备。
Story
Xiao Wang is going on a trip. He packs a raincoat, a first-aid kit, and an extra battery. His friend asks why. Xiao Wang says, '{万一|wànyī}下雨，{万一|wànyī}受伤，{万一|wànyī}没电，我都要准备好！'
Word Web
Challenge
Write 3 sentences about things you are worried might happen tomorrow using '万一'.
Cultural Notes
Used frequently in business to show 'risk awareness'.
Similar usage, often used in casual conversation.
Often use '萬一' in written Chinese.
万一 (wànyī) literally means 'ten thousand to one'.
Conversation Starters
{万一|wànyī}明天没电，你会做什么？
{万一|wànyī}你迷路了，你会怎么做？
{万一|wànyī}你的电脑坏了，工作怎么办？
{万一|wànyī}公司裁员，你有什么计划？
Journal Prompts
Common Mistakes
Test Yourself
___ 明天天气好，我们就去公园。
Which is correct?
Find and fix the mistake:
万一明天是周一，我就去上班。
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
A: 没带伞怎么办？ B: ___。
Use 万一 to express worry about a flight delay.
万一他没来
Match each item on the left with its pair on the right:
Score: /8
Practice Exercises
8 exercises___ 明天天气好，我们就去公园。
Which is correct?
Find and fix the mistake:
万一明天是周一，我就去上班。
就 / 万一 / 迟到 / 打车
A: 没带伞怎么办？ B: ___。
Use 万一 to express worry about a flight delay.
万一他没来
万一没钱 -> ?
Score: /8
Practice Bank
10 exercisesMatch logic:
What if he doesn't come? ({万一|Wànyī} ...)
{下雨} / {万一} / {呢} / {明天}
I'll save the file, ___ (just in case). / {我|Wǒ} {存|cún} {个|gè} {档|dàng}，___。
Situation: You are advising a friend to buy insurance.
{一万|Yíwàn} {着火|zháohuǒ} {怎么办|zěnme bàn}？
How do you say 'Just in case' as a standalone phrase?
{万一|Wànyī} {迟到|chídào} ___ {怎么办|zěnme bàn}？
Is {万一|wànyī} appropriate here: '{万一|Wànyī} {我|wǒ} {通过|tōngguò} {考试|kǎoshì} {就|jiù} {太|tài} {好|hǎo} {了|le}!' (If I pass the test, that would be great!)
{被} / {万一} / {发现} / {了}
Score: /10
FAQ (8)
Generally, no. It sounds unnatural or sarcastic.
No, 如果 is neutral, 万一 is for worries.
It refers to the very low probability of the event.
It's optional but helps emphasize the consequence.
Yes, it's great for risk management.
Yes, it's standard in Mandarin and written Chinese.
Then use 如果, not 万一.
It's mostly for future hypotheticals.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
por si acaso
Spanish uses it as a phrase, Chinese as a conjunction.
au cas où
French often requires conditional tense.
für den Fall
German is more formal.
万一 (man-ichi)
None, it's a direct loan.
في حال (fi hal)
Arabic is more neutral.
万一
N/A
Learning Path
Prerequisites
Related Grammar Rules
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