front lines

language: en

definitions

  1. The area at which opposing military forces meet and engage in combat.
    en: The area at which opposing military forces meet and engage in combat.
  2. The forefront of a particular field, movement, or effort; leading position.
    en: The forefront of a particular field, movement, or effort; leading position.

examples

  1. He moved his main forces to the front lines, preparing to attack Cao Cao's territory.

    He moved his main forces to the front lines, preparing to attack Cao Cao's territory.

  2. Activists stand on the front lines of human rights.

    Activists stand on the front lines of human rights.