IdiomDaily LifeFrench

Être sujet à caution

Meaning: To be unreliable; not to be taken at face value.

Literally: To be subject to surety

Example: “Ce témoignage recueilli dix ans après les faits est sujet à caution.” — This testimony, gathered ten years after the events, should be taken with a grain of salt.

English equivalent: To take something with a grain of salt

Equivalents in other languages

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Origin: A caution was the guarantor or security required from someone whose word alone would not do. Being subject to one is being the kind of party for whom a guarantee has to be demanded.

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