C1 Expression Formal

en connaissance de cause

knowingly, with full awareness

Meaning

With full understanding of the facts, implications, and potential consequences.

🌍

Cultural Background

In French law, 'le consentement éclairé' (informed consent) is a fundamental right, and this phrase is its linguistic backbone. Usage is identical to France, but often appears in consumer protection debates regarding 'hidden defects' (vices cachés). Common in administrative and European Union jargon in Brussels. Used frequently in the context of direct democracy and referendums.

🎯

Use 'toute' for extra impact

Adding 'toute' (en toute connaissance de cause) makes you sound very persuasive and certain.

⚠️

Don't use for small things

Using this for choosing a pizza flavor will make you sound like a robot or a lawyer.

Meaning

With full understanding of the facts, implications, and potential consequences.

🎯

Use 'toute' for extra impact

Adding 'toute' (en toute connaissance de cause) makes you sound very persuasive and certain.

⚠️

Don't use for small things

Using this for choosing a pizza flavor will make you sound like a robot or a lawyer.

Test Yourself

Complete the sentence with the correct fixed expression.

Il a accepté ce poste difficile en ________ de cause.

✓ Correct! ✗ Not quite. Correct answer: connaissance

The fixed expression is 'en connaissance de cause'.

Which sentence uses the phrase correctly in a formal context?

A) J'ai mangé une pomme en connaissance de cause. B) Le témoin a parlé en connaissance de cause.

✓ Correct! ✗ Not quite. Correct answer: B

Eating an apple is too trivial for this formal expression.

Match the register to the sentence.

1. Formal, 2. Informal

✓ Correct! ✗ Not quite. Correct answer: 1-En connaissance de cause / 2-En sachant ce que je fais

The target phrase is the formal version.

🎉 Score: /3

Visual Learning Aids

Practice Bank

3 exercises
Complete the sentence with the correct fixed expression. Fill Blank B1

Il a accepté ce poste difficile en ________ de cause.

✓ Correct! ✗ Not quite. Correct answer: connaissance

The fixed expression is 'en connaissance de cause'.

Which sentence uses the phrase correctly in a formal context? Choose B2

A) J'ai mangé une pomme en connaissance de cause. B) Le témoin a parlé en connaissance de cause.

✓ Correct! ✗ Not quite. Correct answer: B

Eating an apple is too trivial for this formal expression.

Match the register to the sentence. Match B1

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: 1-En connaissance de cause / 2-En sachant ce que je fais

The target phrase is the formal version.

🎉 Score: /3

Frequently Asked Questions

2 questions

It is always 'en'. 'Avec connaissance de cause' is a common mistake for English speakers.

Yes, it's perfect for professional emails to show you've understood the implications of a request.

Related Phrases

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en toute connaissance de cause

specialized form

With *full* knowledge of the facts.

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sciemment

synonym

Knowingly.

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avoir les cartes en main

similar

To have all the information/power.

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à l'aveuglette

contrast

Blindly.

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