front-line
front-line — noun
1. the part of a battlefield where soldiers from two enemy armies stand closest to
the part of a battlefield where soldiers from two enemy armies stand closest to each other and where the actual fighting takes place
Tariro served as a medic on the front-line during the civil war in Mozambique.
on the front-line — typical role-based pattern
Soldiers at the front-line had not eaten a hot meal for three weeks.
at the front-line + plural-subject pattern
The general moved fresh troops to the front-line before sunrise on Tuesday.
Letters from the front-line reached Ari's grandmother only months after they were written.
- battle line
more formal; refers to the same combat boundary
- battlefront
single word; same meaning, slightly older
- rear
the area behind the front-line, where supplies and command sit
文法句型
on the front-line
the front-line in [conflict]
sent to the front-line
用法筆記
Almost always takes the definite article ('the front-line'). Distinguish from sense 2: this is the geographic battle zone, not the soldiers fighting there.
常見錯誤
2. the soldiers and combat units placed furthest forward in a military force, the o
the soldiers and combat units placed furthest forward in a military force, the ones who meet the enemy first when fighting begins
Colonel Tamás drilled the front-line every morning before the regiment marched south.
the front-line as the body of soldiers
The division's front-line was made up of young recruits from rural villages.
be made up of + composition pattern
Heavy losses forced the army to rebuild its front-line from scratch.
Sora reviewed the photographs and counted only forty men in the entire front-line.
- reserves
troops kept back from the front-line to deploy later
文法句型
the front-line of [an army/division]
用法筆記
Refers to the people and units (a body of soldiers), not the place. Distinguish from sense 1, which is the geographic line.
3. a non-military situation where people are actively dealing with a difficult prob
a non-military situation where people are actively dealing with a difficult problem and feel the most pressure from it — for example, doctors during an outbreak or aid workers in a refugee camp
Nurses at the city hospital were on the front-line during the cholera outbreak in 2019.
on the front-line of [health crisis]
Talia worked on the front-line of the housing crisis in São Paulo for almost a decade.
on the front-line of + named social problem
Teachers in rural schools are often on the front-line against child hunger.
Aid workers from Geneva flew straight to the front-line of the earthquake response in Türkiye.
- forefront
more abstract; emphasises being foremost rather than under pressure
- thick of it
informal; suggests being deeply involved in difficult work
文法句型
on the front-line of [a cause/issue]
the front-line against [problem]
用法筆記
Subject is usually people doing demanding work (nurses, social workers, aid teams). Distinguish from sense 1: the danger is metaphorical, not actual combat.
常見錯誤
4. the leading or most visible place in a particular field of work, where the newes
the leading or most visible place in a particular field of work, where the newest ideas appear and the people doing the work get the most attention or responsibility
Dr. Tanvi placed her lab at the front-line of cancer immunotherapy research in India.
at the front-line of [field of research]
The Lagos design studio sat at the front-line of African digital fashion for almost a decade.
at the front-line of + named industry trend
Three small companies in Taipei were now at the front-line of green-battery development.
Layla wanted to study in Boston so she could work at the front-line of climate-policy research.
- cutting edge
informal; emphasises newest technology or methods
- vanguard
formal; the leading group of a movement or field
- backwater
a field or place that has been left behind by progress
文法句型
at the front-line of [a field]
in the front-line of [research/innovation]
用法筆記
The fixed preposition is 'at the front-line of'. Distinguish from sense 3: this is about being leading and visible, not about handling crisis pressure.
front-line — adjective
1. describing soldiers, equipment, or jobs that are placed at the part of a battlef
describing soldiers, equipment, or jobs that are placed at the part of a battlefield closest to the enemy, where the actual fighting happens
Front-line troops in eastern Ukraine had not been rotated home for nine months.
front-line + troops — most common attributive pairing
Matthew trained as a front-line medic before joining the marine corps in 2018.
front-line medic / nurse / surgeon
The factory near Wrocław supplied front-line vehicles with armour plates and spare parts.
Élise's brother volunteered for front-line duty within a week of the invasion.
- rear
describes troops, jobs, or supplies kept behind the front-line
文法句型
front-line + [troops/soldiers/units/medic]
用法筆記
Only used attributively (before the noun); cannot follow 'be' (you cannot say 'the troops were front-line'). Almost always paired with military people, jobs, or equipment.
常見錯誤
2. of the highest standard or best class in its category, used mainly of equipment,
of the highest standard or best class in its category, used mainly of equipment, products, or services that a buyer would judge as top of the market
The clinic in Charlotte had spent two million dollars on front-line imaging equipment.
front-line equipment — typical product domain
Amelia upgraded her studio to front-line cameras before her first commercial shoot in Seoul.
front-line + camera/laptop/device (consumer products)
Toyota's dealer in Osaka quietly raised the price of every front-line hybrid model.
Only a handful of hospitals in the region carried front-line cancer drugs in 2023.
- top-of-the-line
more common in American English; same meaning
- first-rate
broader; can describe people, performance, or things
- premium
marketing-style; suggests luxury or higher price as well
- low-end
the cheapest or lowest-quality version in a product range
文法句型
front-line + [product/equipment]
用法筆記
Rare in everyday speech; mostly appears in product reviews, sales copy, and trade press. Distinguish from sense 1: nothing military is implied — it just means 'best in class'.