FRONT LINE


Meaning of FRONT LINE in English

[front line] n (1917) 1 a: a military line formed by the most advanced tactical combat units; also: front 2a(2) b: an area of potential or actual conflict or struggle

2: the most advanced, responsible, or visible position in a field or activity

Merriam-Webster English vocab.      Английский словарь Merriam Webster.