IdiomDaily LifeFrench

Battre en brèche

Meaning: To attack a position or argument until it collapses.

Literally: To beat into a breach

Example: “Cette nouvelle étude bat en brèche l'idée que le café fait grandir moins vite.” — This new study demolishes the idea that coffee stunts your growth.

English equivalent: To shoot something down in flames

Equivalents in other languages

Origin: Siege artillery concentrated fire on one section of a wall to open a breach for the assault. Applied to argument, it describes methodical demolition of a single point rather than scattered objection.

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