B2 Idiom Neutro 2 min de leitura

passer comme une lettre à la poste

To be close to

Literalmente: To go through like a letter at the post office

Em 15 segundos

  • Used for things that go perfectly and without any trouble.
  • Compares a smooth process to mailing a letter.
  • Great for successful excuses, easy tasks, or smooth transitions.

Significado

This phrase describes something that goes perfectly smoothly without any resistance. It is used when a task, an excuse, or even a piece of food is accepted or completed effortlessly.

Exemplos-chave

3 de 6
1

Talking about a difficult exam

L'examen de maths est passé comme une lettre à la poste.

The math exam went off without a hitch.

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2

Explaining a white lie to a friend

Mon excuse est passée comme une lettre à la poste !

My excuse was accepted without any questions!

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3

In a professional project meeting

La nouvelle proposition est passée comme une lettre à la poste auprès du client.

The new proposal was accepted by the client without any issues.

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🌍

Contexto cultural

The French have a love-hate relationship with their administration. This idiom reflects a historical moment of administrative perfection that is now viewed with nostalgia. In Quebec, the phrase is well-understood but you might also hear 'passer comme du beurre dans la poêle' (like butter in the pan) for similar situations. Belgian French uses this idiom identically to France, often in the context of political compromises which are a staple of Belgian life. In countries like Senegal or Ivory Coast, the phrase is used in business contexts to describe successful deals or 'arrangements' that go through without bureaucratic 'blockages'.

🎯

Use it for Food

To sound really native, use it after a big meal. 'Ce dessert est passé comme une lettre à la poste' shows you have mastered the informal nuances.

⚠️

Agreement is Key

Remember that 'passer' uses 'être'. If you are talking about 'la proposition', say 'elle est passée' (add the 'e').

Em 15 segundos

  • Used for things that go perfectly and without any trouble.
  • Compares a smooth process to mailing a letter.
  • Great for successful excuses, easy tasks, or smooth transitions.

What It Means

Imagine you drop a stamped envelope into a mailbox. It disappears instantly into the system. No friction. No questions asked. That is exactly what passer comme une lettre à la poste feels like. It means something was accepted or accomplished with zero difficulty. It is the French way of saying something went 'swimmingly' or was 'a piece of cake.'

How To Use It

You use this phrase to describe a process or an action. It usually follows the verb passer. You can use it for physical things, like a large pill you had to swallow. You can also use it for social things, like a cheeky excuse you gave your boss. If they believed you without blinking, it passed like a letter at the post office.

When To Use It

Use it when you are relieved that something potentially difficult turned out to be easy.

  • After a job interview that felt like a chat with a friend.
  • When you explain to your partner why you bought those expensive shoes.
  • When a complex software update installs without crashing your computer.

It is perfect for sharing small victories over coffee.

When NOT To Use It

Avoid this in very somber or tragic situations. If someone recovers from a serious surgery, saying it 'passed like a letter' might feel a bit too lighthearted. Also, do not use it for things that require intense effort and struggle. If you climbed Mont Blanc and it was grueling, this phrase does not fit. It is strictly for things that felt unexpectedly easy or smooth.

Cultural Background

This expression dates back to the 19th century. Back then, the French postal service was becoming remarkably efficient. The 'boîte aux lettres' (mailbox) was a symbol of reliability. Once the letter was in, the job was as good as done. It reflects a time when the post office was the gold standard for things working exactly as they should. Even today, despite digital mail, the imagery of the smooth-sliding envelope remains a staple of French conversation.

Common Variations

You might occasionally hear c'est passé comme une fleur (it passed like a flower). This is a bit more old-fashioned but carries the same 'easy-breezy' energy. Some people also just say c'est passé crème, which is modern slang for the same idea. However, the 'postal' version remains the undisputed king of idioms for smooth sailing.

Notas de uso

This idiom is very safe to use in almost any context. It sits in the 'neutral' register, making it perfect for both a dinner with friends and a chat with your manager.

🎯

Use it for Food

To sound really native, use it after a big meal. 'Ce dessert est passé comme une lettre à la poste' shows you have mastered the informal nuances.

⚠️

Agreement is Key

Remember that 'passer' uses 'être'. If you are talking about 'la proposition', say 'elle est passée' (add the 'e').

💬

The Slang Alternative

If you are with friends under 30, try 'C'est passé crème'. It will earn you major 'cool points'.

Exemplos

6
#1 Talking about a difficult exam
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L'examen de maths est passé comme une lettre à la poste.

The math exam went off without a hitch.

The speaker found the exam much easier than expected.

#2 Explaining a white lie to a friend
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Mon excuse est passée comme une lettre à la poste !

My excuse was accepted without any questions!

Shows the excuse was totally convincing and caused no friction.

#3 In a professional project meeting
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

La nouvelle proposition est passée comme une lettre à la poste auprès du client.

The new proposal was accepted by the client without any issues.

Indicates the client had no objections or requested changes.

#4 Texting about a large purchase
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

J'ai dit à ma femme que c'était en solde, c'est passé comme une lettre à la poste.

I told my wife it was on sale, and she totally bought it.

A classic relatable moment of a 'smooth' explanation.

#5 Swallowing a large vitamin pill
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Cette énorme pilule est passée comme une lettre à la poste.

That huge pill went down very easily.

A literal use regarding physical ease.

#6 Discussing a smooth border crossing
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Le passage à la douane s'est fait comme une lettre à la poste.

Going through customs was completely effortless.

Reflects a lack of stress in a typically stressful situation.

Teste-se

Complete the sentence with the correct form of the idiom.

J'avais peur que le patron refuse mon idée, mais finalement, c'est ______ comme une lettre à la poste.

✓ Correto! ✗ Quase. Resposta certa: passé

The subject is 'c'' (impersonal), so the past participle remains masculine singular.

Which situation best fits the idiom 'passer comme une lettre à la poste'?

Situation selection:

✓ Correto! ✗ Quase. Resposta certa: B

The idiom is used when something (like an excuse or a lie) is accepted without resistance.

Complete the dialogue with the most natural response.

A: 'Tu as réussi à installer ce logiciel complexe ?' B: 'Oui, ______.'

✓ Correto! ✗ Quase. Resposta certa: C'est passé comme une lettre à la poste

This is the standard way to say a technical task went smoothly.

Match the register to the sentence.

Match: 1. Slang, 2. Neutral, 3. Formal

✓ Correto! ✗ Quase. Resposta certa: A) 1, B) 2, C) 3

'Crème' is slang, the 'lettre' idiom is neutral, and 'sans aucune difficulté' is formal.

🎉 Pontuação: /4

Recursos visuais

Banco de exercicios

4 exercicios
Complete the sentence with the correct form of the idiom. Fill Blank B1

J'avais peur que le patron refuse mon idée, mais finalement, c'est ______ comme une lettre à la poste.

✓ Correto! ✗ Quase. Resposta certa: passé

The subject is 'c'' (impersonal), so the past participle remains masculine singular.

Which situation best fits the idiom 'passer comme une lettre à la poste'? Choose A2

Situation selection:

✓ Correto! ✗ Quase. Resposta certa: B

The idiom is used when something (like an excuse or a lie) is accepted without resistance.

Complete the dialogue with the most natural response. dialogue_completion B1

A: 'Tu as réussi à installer ce logiciel complexe ?' B: 'Oui, ______.'

✓ Correto! ✗ Quase. Resposta certa: C'est passé comme une lettre à la poste

This is the standard way to say a technical task went smoothly.

Match the register to the sentence. situation_matching B2

Match: 1. Slang, 2. Neutral, 3. Formal

✓ Correto! ✗ Quase. Resposta certa: A) 1, B) 2, C) 3

'Crème' is slang, the 'lettre' idiom is neutral, and 'sans aucune difficulté' is formal.

🎉 Pontuação: /4

Perguntas frequentes

10 perguntas

Yes, it is acceptable in a semi-formal or internal professional email to describe a project's success, but avoid it in very formal legal documents.

It is strictly 'à la poste'. 'En poste' means to be currently employed in a specific job position.

Almost, but 'piece of cake' (c'est du gâteau) focuses on the task being easy to do, while 'lettre à la poste' focuses on it being accepted or completed without resistance.

Only if the person is 'passing' through a filter or selection process, like an audition. 'Il est passé comme une lettre à la poste' means he was accepted instantly.

Not at all. While it has 19th-century roots, it is used daily by French speakers of all ages.

Historically, letters were the primary and most reliable form of mail. Packages (colis) were much more likely to be delayed or damaged.

Yes. 'Ce n'est pas passé comme une lettre à la poste' is a common way to say that something was surprisingly difficult.

Translating it literally as 'to pass like a letter' and forgetting the 'at the post office' part, or using 'dans' instead of 'à'.

Sometimes people just say 'C'est passé tout seul', which is a bit more generic.

Indirectly, yes, because things without resistance tend to go faster, but the primary meaning is the lack of obstacles.

Frases relacionadas

🔄

passer crème

synonym

To go smoothly (slang)

🔗

comme dans du beurre

similar

Like through butter

🔗

lettre morte

contrast

A dead letter / ignored rule

🔗

c'est du gâteau

similar

It's a piece of cake

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