thin blue line

短语

词形变化

the thin blue line

释义与例句

n.
  1. 1.

    The police.

    非正式
  2. 2.

    A flag or symbol representing the police, commonly associated with the blue lives matter movement.

词源

By analogy with Thin Red Line. “Blue” refers to the color of the uniforms of many police departments.

来源：wiktionary