IdiomDaily LifeFrench

Être à la merci de quelqu'un

Meaning: To be entirely in someone's power.

Literally: To be at someone's mercy

Example: “Sans contrat écrit, le locataire est à la merci de son propriétaire.” — Without a written lease, the tenant is entirely in the landlord's power.

Origin: Merci comes from Latin merces, payment or wages, and shifted through favor granted to pity. The commercial root survives in French merci, thank you, which was originally an acknowledgement of a favor received.

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