How to Say “Be Careful” in French

fais attention
In French, "be careful" is expressed as fais attention.
This phrase is a warning used to tell someone to be cautious or alert to avoid danger or a mistake. In French, fais attention covers both the meaning of "be careful" and "pay attention," whereas English uses these as two distinct expressions.

What does it mean word for word?

The phrase is composed of the imperative form of faire (to do/make) and the noun attention (attention/care), literally translating to "make attention."

Which one should you use?

While fais attention is the standard informal version, you may encounter Soyez prudent(e) as the standard and most common way to say "be careful" in formal French. If you want to emphasize the need for attentiveness specifically in a formal setting, you can use Soyez attentif. For a more old-fashioned or literary sense of caution, Prenez garde is used to mean "beware" or "take heed". Additionally, Veillez à can be used to convey the idea of "watch out for" or "take care of".

Is there a formal and an informal way to say it?

Fais attention is the most common and versatile way to say "be careful" in an informal context. For formal situations, use Soyez prudent(e). If you need to express a higher level of caution or a more literary tone, Prenez garde is appropriate. For a quick, short warning to mean "watch out!", you can simply say Attention !

How does it change in a sentence?

When addressing more than one person, or when using the formal "vous" form, use faites attention instead of fais attention. If you want to specify what someone should be careful of, use the preposition à, which often contracts with the following article, such as in fais attention à la voiture.

Did you know?

  • If you hear someone say Fais attention à toi when saying goodbye, they aren't warning you of a specific danger, but are instead expressing a warm 'take care of yourself'.
  • In many French-speaking regions, people might say Fais gaffe to mean 'be careful' in very informal settings, which is much more slang-heavy than fais attention.
  • The word attention shares the same Latin root as the English word 'attend', which is why they feel so similar in meaning.

Examples in context

  • Tom, fais attention !
    Tom, be careful!
    This is useful for calling someone's attention to be careful.
    Tatoeba #4884717 by Julien_PDC, translation #2047588 by CK
  • Fais attention avec ça.
    Be careful with that.
    This is useful for telling someone to be careful with a specific object.
    Tatoeba #6307797 by Aiji, translation #2047604 by CK
  • Fais attention si tu sors.
    Be careful if you go out.
    This is useful for giving a warning if someone is going out.
    Tatoeba #10620271 by lbdx, translation #9393646 by CK
  • 51 more sentences on Tatoeba

Example conversation

Manon is watching Lucas carry a heavy box.

  1. Léa

    Fais attention, Lucas, c'est très lourd !
    Be careful, Lucas, it's very heavy!
  2. Gabriel

    Je sais, je fais attention.
    I know, I'm being careful.
  3. Léa

    Ne le pose pas trop vite.
    Don't put it down too quickly.
  4. Gabriel

    C'est bon, j'ai réussi.
    It's okay, I did it.

Sources

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Kimberly April
Kimberly AprilHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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