Focus on the pronunciation of the front line
English definition of “the front line”
the front line
noun [S] (also frontline)
› the place or the area of activity where important, interesting, or difficult things are happening: on the front line of sth This rural Brazilian city is making a name for itself as being on the front line of the wireless revolution.be in the front line Accountants are in the front line in the fight against criminal financing.
› WORKPLACE the part of a business that deals directly with customers and the public, or that makes a product: Hourly, low-wage workers are now on the front line of commerce interacting with the public.