1
dig a trench / dig trenches
trench常与动词dig搭配。
The soldiers dug a trench to protect themselves.
士兵们挖了一条战壕来保护自己。
沟；沟渠
先理解核心含义，再看它在真实句子里的用法。
沟；沟渠
A long, narrow ditch or hole in the ground, either dug by people or formed naturally.
The soldiers dug a trench to protect themselves.
士兵们挖了一条战壕来保护自己。
A long, narrow ditch or hole in the ground; either manmade, or formed naturally through erosion or tectonic plate movement.
作为防御工事挖的沟,有挖出的土筑成的胸墙
a ditch dug as a fortification having a parapet of the excavated earth
A narrow excavation as used in warfare, as a cover for besieging or emplaced forces.
海底狭长的陡峭凹陷地带
a long steep-sided depression in the ocean floor
The soldiers dug a trench to protect themselves from enemy fire.
士兵们挖了一条战壕，以保护自己免受敌方炮火袭击。
The heavy rain cut a trench through the soft soil.
大雨在松软的土壤中冲出了一条长沟。
Ocean trenches form where tectonic plates meet.
海沟形成于板块交汇处。
trench常与动词dig搭配。
The soldiers dug a trench to protect themselves.
士兵们挖了一条战壕来保护自己。
Life in the trenches was harsh during the war.
战争期间战壕里的生活很艰苦。
trench warfare是一个固定短语。
Trench warfare was common in World War I.
堑壕战在第一次世界大战中很常见。
Not this
The soldier slept in trench all night.
Use this
The soldier slept in a trench all night.
中文中名词前常省略冠词，但英语中可数名词单数前需加不定冠词a/an，表示泛指。
Not this
There were many deep trench in the battlefield.
Use this
There were many deep trenches in the battlefield.
trench为可数名词，在many后应用复数形式trenches，汉语没有复数变化，易遗漏。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
堑壕战
The soldiers endured years of trench warfare.
士兵们忍受了多年的堑壕战。
挖沟；挖战壕
Workers dug a trench to lay the pipes.
工人们挖了一条沟来铺设管道。
海沟
The Mariana Trench is the deepest ocean trench on Earth.
马里亚纳海沟是地球上最深的海沟。
风衣；战壕大衣
She wore a beige trench coat in the rain.
下雨天她穿了一件米色风衣。
战壕足病
Trench foot plagued soldiers who stood in cold water for hours.
战壕足病折磨着长时间站在冷水中的士兵。
在第一线；在实际工作中
After years in the trenches, she knows every detail of the job.
经过多年的第一线工作，她对这份工作的每个细节都了如指掌。
堑壕战；僵持不下的激烈冲突
The boardroom debates have turned into trench warfare.
董事会的争论已经变成了持久战。
我就在战壕里，敌人进攻时坚守你的炮位。
From Iron Maiden's 1983 song 'The Trooper', which tells the story of a British cavalryman during the Charge of the Light Brigade in the Crimean War. The line uses 'trench' as a noun, meaning a narrow ditch dug for protection in battle.
出自铁娘子乐队1983年的歌曲《The Trooper》，歌曲讲述克里米亚战争中英军轻骑兵冲锋的故事。这里的 trench 作名词，指战斗中为防护而挖的窄沟，即战壕。
Use trench naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
可以这样记：trench coat（风衣）里有 trench，trench 就是战壕/长沟，士兵在战壕里穿风衣。
语域：neutral 常见场景：军事防御、海洋地质、建筑施工 该词通常为中性。在军事、地质等专业场景中比较常见，也可泛指地面上的长沟；使用时多侧重具体沟状地形。
bench、drench、French、stench、clench 都与 trench 押韵，均含 /ɛntʃ/ 音；tenth 拼写看似接近，但读 /tɛnθ/，并非押韵词。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.