a maraud
maraud 作可数名词，单数形式前需要加冠词 a/an。
The guards were caught off balance by a maraud at daybreak.
守卫们在破晓时被一次突袭打了个措手不及。
突然的短促攻击(突袭)；劫掠；掠夺
突然的短促攻击(突袭)
a sudden short attack
The historical records describe the marauds of ancient bandits who terrorized the Silk Road.
历史记载描述了古代土匪在丝绸之路上进行的劫掠。
用法提示：名词，表示劫掠的行为
The recent marauds by the rebel group have caused widespread panic in the region.
叛军最近的劫掠在该地区引起了广泛的恐慌。
用法提示：名词，表示劫掠的行为
The farmer's fields suffered from the marauds of wild boars every autumn.
农民的田地每年秋天都遭受野猪的劫掠。
用法提示：名词，表示劫掠的行为
maraud 作可数名词，单数形式前需要加冠词 a/an。
The guards were caught off balance by a maraud at daybreak.
守卫们在破晓时被一次突袭打了个措手不及。
复数形式 marauds 表示多次袭击。
The old records describe repeated marauds on the northern villages.
旧时的记载描述了北方村庄屡次遭受的突袭。
可用 during 等介词引出突袭发生的场合，说明其间发生的事。
The storehouse was set alight during a maraud.
仓库在一次突袭中被点燃。
grammar · medium
易错句子The soldiers launched maraud on the enemy camp at dawn.
正确表达The soldiers launched a maraud on the enemy camp at dawn.
maraud 是可数名词，指一次具体的突袭；作单数宾语时必须加不定冠词 a，不能像汉语“发动突袭”那样直接光用名词原形。
grammar · medium
易错句子They made a maraud to the fishing village.
正确表达They made a maraud on the fishing village.
maraud 表示“对某地的突袭”时，后面用介词 on（也可用 against）引出被袭击的对象；to 只表示方向，不能用来引出袭击目标。
raid 是日常通用的“突袭”，可指军队、警察或抢劫行动，也可作动词；maraud 作名词极罕见，多见于文学性描述，且更常作动词表示“劫掠、四处抢劫”。
foray 强调短促的出击或侵入，也常引申为“短暂涉足某领域”；maraud 作名词只指突然的短促攻击，没有“涉足”的引申义。
ambush 特指埋伏后发动的突然攻击，强调隐蔽等待；maraud 不强调埋伏，只指攻击本身的短促突然。
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