line of defense

• Barrière métaphorique ou littérale, stratégie ou groupe de personnes utilisé pour se protéger contre une attaque, une critique ou un échec. Souvent employé dans un contexte militaire, sportif ou de cybersécurité.

A metaphorical or literal barrier, strategy, or group of people used to protect against attack, criticism, or failure. Often used in military, sports, or cybersecurity contexts.

1. Military positionB2formal

   A position or arrangement of troops and fortifications designed to protect against enemy attack.

   ligne de défense

   • The army established a strong line of defense along the river.
   • The enemy breached the first line of defense.
   • They fortified the second line of defense with additional troops.

2. Immune responseB2formal

   The body's system of cells and mechanisms that protect against infection and disease.

   ligne de défense immunitaire

   • White blood cells form the first line of defense against infections.
   • Vaccines help strengthen the body's second line of defense.
   • The skin acts as a physical line of defense against pathogens.

3. Argument or strategyC1formal

   A set of arguments or strategies used to protect an idea, position, or decision.

   Ligne d'argumentation

   • Her first line of defense in the debate was to cite reliable sources.
   • The company's line of defense against the lawsuit was strong.
   • He prepared multiple lines of defense for his argument.