1
the frontline (of sth)
指实际交火的最前沿地带。
The frontline of the battle was quiet that morning.
那天早晨，战斗前线很平静。
前线；锋线
先理解核心含义，再看它在真实句子里的用法。
前线；锋线
frontline
The frontline of the battle was quiet that morning.
那天早晨，战斗前线很平静。
军事中指作战的最前线；体育中尤指篮球的前锋线。
The soldiers were sent to the frontline last night.
士兵们昨晚被派往前线。
As a nurse, she has worked on the frontline for many years.
作为一名护士，她在前线工作多年。
The village lies close to the frontline, so many people have left.
这个村庄靠近前线，所以许多人已经离开。
指实际交火的最前沿地带。
The frontline of the battle was quiet that morning.
那天早晨，战斗前线很平静。
多用于比喻义，表示在某项重要工作或斗争的最前沿。
Nurses are on the frontline of the fight against the disease.
护士们处在抗击这种疾病的第一线。
常见于军事语境，指在战斗前线执行任务。
He served on the frontline for two years.
他在前线服役了两年。
体育（如篮球）用语，指由前锋和中锋组成的锋线。
The team's frontline includes a strong center.
这支球队的锋线包括一名强力中锋。
Not this
The doctors are working on frontline.
Use this
The doctors are working on the frontline.
frontline（前线）是可数名词，具体语境中需要加定冠词 the；中文没有冠词，学习者容易漏掉。
Not this
He served in the frontline during the war.
Use this
He served on the frontline during the war.
表示“在前线”的固定搭配介词用 on，而不用 in；受中文“在……里”的影响容易误用 in。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在第一线；在前线
Doctors are on the frontline in the fight against the disease.
医生们处于抗击疾病的第一线。
战争前线
Thousands of soldiers were sent to the frontline of the war.
成千上万的士兵被派往战争前线。
强大的锋线
The team has a strong frontline this season.
这个赛季球队拥有一个强大的锋线。
在第一线；处于最前沿
Nurses are on the frontline in the fight against the pandemic.
护士们站在抗击疫情的�最前线。
一线工作者；基层工作人员
Extra pay was offered to frontline workers during the crisis.
危机期间给一线工作者提供了额外报酬。
在……的最前沿；处于……的第一线
These engineers are at the frontline of renewable energy research.
这些工程师处于可再生能源研究的最前沿。
Use frontline naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
front（前面）+ line（线）：站在最前面那条线上的人，就是战场前线或球场锋线的队员。
语域：mixed 常见场景：军事报道、体育评论、新闻报道 作名词时通常指军事前线或战斗最前沿；在体育语境中也可指锋线球员组合。多用于新闻、正式报告或评论，比较常见于书面语。
这些词都以 -line 结尾，读音都含 /laɪn/。其中 deadline、headline、airline、outline、pipeline 和 frontline 一样，重音在第一个音节，末尾的 /laɪn/ 轻读，发音模式最接近。line 单独读时重读 /laɪn/，虽然拼写一样，但与 frontline 的重音位置不同，不算严格押韵。
Dictionary facts from ECDICT, WIKTIONARY.