B2 Idiom Informell 2 Min. Lesezeit

不三不四

bù sān bù sì

Shady

Wörtlich: Not three, not four

In 15 Sekunden

  • Used to describe shady, dubious, or suspicious people and things.
  • Literally means 'not three, not four,' implying something is out of place.
  • Commonly used in gossip or to warn others about bad influences.

Bedeutung

This is a way to describe someone or something that feels 'off' or shady. It’s used for people with questionable character or things that aren't quite what they should be.

Wichtige Beispiele

3 von 6
1

Warning a friend about a new acquaintance

别跟那些不三不四的人混在一起。

Don't hang out with those shady people.

2

Commenting on a suspicious website

这个网站看起来不三不四的,别点开。

This website looks sketchy; don't click on it.

3

A parent complaining about a child's clothing choice

你穿成这样不三不四的,像什么样子!

You're dressed so inappropriately, what do you think you look like!

🌍

Kultureller Hintergrund

The phrase originates from the 'I Ching' (Book of Changes), where the third and fourth lines of a hexagram represent the transition from the inner to the outer world. Being 'neither three nor four' implies being in a state of chaos or lacking a proper place in the universe. Over centuries, it evolved from a philosophical concept into a common insult for people with low social or moral standing.

💡

The 'De' Factor

You'll often see it followed by `的` (de). For example, `不三不四的人`. Adding `的` makes it a solid adjective you can slap onto any noun.

⚠️

Don't be too mean!

This is a strong judgment. Calling someone `不三不四` is a direct attack on their character. Use it for gossip, but maybe not to someone's face unless you want a fight.

In 15 Sekunden

  • Used to describe shady, dubious, or suspicious people and things.
  • Literally means 'not three, not four,' implying something is out of place.
  • Commonly used in gossip or to warn others about bad influences.

What It Means

Imagine you’re looking at something that should be a square or a triangle. Instead, it’s a weird, lumpy shape. In Chinese, 不三不四 (bù sān bù sì) describes exactly that feeling. It refers to people or things that are neither one thing nor another. They are 'dubious' or 'shady.' It’s the linguistic equivalent of a 'red flag.'

How To Use It

You usually place this right before a noun or after a person. You can say someone is a 不三不四的人 (a shady person). It’s very flexible. You can use it for people, behaviors, or even outfits. If your friend wears something bizarre to a funeral, that’s 不三不四. If a stranger is loitering by your car, they are 不三不四.

When To Use It

Use it when your 'spidey-sense' is tingling. It’s perfect for gossiping with friends about a sketchy new neighbor. You might use it to warn a sibling about a bad crowd. It’s great for describing a business deal that sounds too good to be true. Use it when you feel something is improper or lacks dignity.

When NOT To Use It

Don't use this in a professional performance review. It’s too judgmental and informal for HR. Avoid using it to describe your boss unless you want to get fired. It’s also not for 'cool' rebels. It implies a lack of morals, not just a cool alternative style. Don't use it for things that are just 'new' or 'different.'

Cultural Background

This phrase has roots in ancient Chinese philosophy and numerology. In the 'I Ching,' numbers three and four represent specific positions of harmony. If something is neither, it’s out of place. It became popular in Yuan Dynasty plays to describe ruffians. It suggests someone who doesn't follow the 'proper' social order. It’s a very traditional way to express modern suspicion.

Common Variations

You might hear 不伦不类 (bù lún bù lèi) which means 'neither fish nor fowl.' While 不三不四 focuses on shadiness, 不伦不类 focuses on being a weird mix. Another one is 不正经 (bù zhèng jīng). This means someone isn't serious or is acting inappropriately. 不三不四 is definitely the punchiest and most descriptive of the bunch.

Nutzungshinweise

This is an informal idiom used to express disapproval. It carries a tone of social judgment, often used by older generations to describe behavior or appearances they find unconventional or suspicious.

💡

The 'De' Factor

You'll often see it followed by `的` (de). For example, `不三不四的人`. Adding `的` makes it a solid adjective you can slap onto any noun.

⚠️

Don't be too mean!

This is a strong judgment. Calling someone `不三不四` is a direct attack on their character. Use it for gossip, but maybe not to someone's face unless you want a fight.

💬

The Number Mystery

Why 3 and 4? In ancient thought, 3 represents Heaven and 4 represents Earth. If you are neither, you are literally 'out of this world' in a bad, chaotic way!

Beispiele

6
#1 Warning a friend about a new acquaintance

别跟那些不三不四的人混在一起。

Don't hang out with those shady people.

Here it acts as an adjective for a group of people.

#2 Commenting on a suspicious website

这个网站看起来不三不四的,别点开。

This website looks sketchy; don't click on it.

Used to describe a digital object that seems unsafe.

#3 A parent complaining about a child's clothing choice

你穿成这样不三不四的,像什么样子!

You're dressed so inappropriately, what do you think you look like!

Shows a lack of propriety or dignity in appearance.

#4 Discussing a weird business proposal

他提的那个建议不三不四,我没答应。

The suggestion he made was quite dubious, so I didn't agree.

Describes a proposal that doesn't follow standard logic or ethics.

#5 Texting about a strange party

昨晚的派对来了一群不三不四的人。

A bunch of sketchy characters showed up at the party last night.

Very common in informal storytelling.

#6 Humorous self-deprecation about a failed DIY project

我修完的椅子看起来不三不四的。

The chair I fixed looks neither here nor there (pretty weird).

A lighter use to describe something poorly made.

Teste dich selbst

Choose the best phrase to describe a person who seems suspicious and untrustworthy.

他总是和一些___的朋友在街上闲逛。

✓ Richtig! ✗ Nicht ganz. Richtige Antwort: 不三不四

`不三不四` fits perfectly here to describe 'shady' friends. `大名鼎鼎` means famous, and `一心一意` means focused.

How would you describe an outfit that is totally inappropriate for a formal event?

在婚礼上穿背心真是___。

✓ Richtig! ✗ Nicht ganz. Richtige Antwort: 不三不四

Wearing a tank top to a wedding is considered improper or 'shady/weird' in a social sense, making `不三不四` the right choice.

🎉 Ergebnis: /2

Visuelle Lernhilfen

Formality of 不三不四

Slang

Used in very casual street talk.

那家伙不三不四的。

Informal

Standard use among friends and family.

别去那种不三不四的地方。

Neutral

Used in storytelling or descriptive writing.

他的行为举止不三不四。

Formal

Too judgmental for official documents.

N/A

When to call something 'Not 3 Not 4'

不三不四
👤

Sketchy People

Strangers loitering in the dark.

😈

Bad Influence

Friends who encourage trouble.

👕

Improper Dress

Pajamas at a job interview.

🏚️

Shady Places

A bar with no sign or windows.

🧐

Odd Behavior

Acting suspicious in public.

Aufgabensammlung

2 Aufgaben
Choose the best phrase to describe a person who seems suspicious and untrustworthy. Fill Blank

他总是和一些___的朋友在街上闲逛。

✓ Richtig! ✗ Nicht ganz. Richtige Antwort: 不三不四

`不三不四` fits perfectly here to describe 'shady' friends. `大名鼎鼎` means famous, and `一心一意` means focused.

How would you describe an outfit that is totally inappropriate for a formal event? Fill Blank

在婚礼上穿背心真是___。

✓ Richtig! ✗ Nicht ganz. Richtige Antwort: 不三不四

Wearing a tank top to a wedding is considered improper or 'shady/weird' in a social sense, making `不三不四` the right choice.

🎉 Ergebnis: /2

Häufig gestellte Fragen

11 Fragen

Not exactly. It specifically means 'shady' or 'improper.' A person can be 'bad' but very professional; 不三不四 implies they are sketchy or lack dignity.

Yes! You can use it for a 不三不四的礼物 (a weird/inappropriate gift) or a 不三不四的网站 (a shady website).

No, it's a standard idiom (chengyu). It's critical and judgmental, but it's not 'foul' language. You can use it in front of your parents.

Only if you're being self-deprecating or humorous, like saying your DIY haircut looks 不三不四.

They are very similar. However, 不三不四 can also mean 'neither here nor there' in terms of style, which 'shady' doesn't usually cover.

Not really. The numbers 3 and 4 don't have a 'positive' equivalent idiom like 'Yes 3 Yes 4.' It's strictly for negative or suspicious contexts.

It's mostly informal. You'll hear it in movies, novels, and daily life, but rarely in a formal speech or a scientific paper.

Not really. For a messy room, use 乱七八糟 (luàn qī bā zāo). 不三不四 is about character and propriety, not physical clutter.

It's most commonly used for people or 'types' of people, like 不三不四的青年 (shady youths).

It is understood all over China. It's one of the most common idioms in the Mandarin-speaking world.

Yes, you can say 非常不三不四 or 挺不三不四的 to add emphasis.

Verwandte Redewendungen

🔗

不伦不类

Neither fish nor fowl; out of place.

🔗

乱七八糟

A total mess; chaotic.

🔗

不正经

Not serious; improper behavior.

🔗

鬼鬼祟祟

Sneaky; stealthy; up to no good.

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