a killer of sb/sth
表示“造成……死亡的因素”，of 后接受害者或受影响的群体。
Heart disease is the leading killer of women worldwide.
心脏病是全球女性的头号杀手。
杀手；凶手；致命之物
killers — plural of killer
虎鲸；棘手难题；极其困难的事；极出色的人或事物；厉害角色；一种多人淘汰制飞镖/台球游戏；杀鱼棒；鱼击棒
a person, animal, or thing that kills; a cause of death
杀手
One who or that which kills.
杀手
someone who causes the death of a person or animal
导致压力或极其困难的事物
That which causes stress or is extremely difficult, especially that which may cause failure at a task.
致死因素
the causal agent resulting in death
远超竞争对手的事物
Something that is so far ahead of its competition that it effectively kills off that competition.
棘手难题
a difficulty that is hard to deal with
虎鲸
The killer whale.
令人印象深刻的人或事物
A remarkably impressive person or thing.
一种多人参与的飞镖或台球游戏
A knockout form of darts or pool involving several players.
用于杀鱼的棍棒
A club used for killing fish.
一种特别重的手戳,常遮盖大部分邮票
A particularly heavy type of handstamp, or portion of one, often obscuring a large part of the postage stamp.
virama的同义词(“一种变音符号”)
Synonym of virama (“kind of diacritical mark”).
The police finally caught the killer.
警方最终抓住了凶手。
用法提示：killer 为名词，在句中作宾语，意为‘凶手’（杀人者）。
AI contextual example
The killer escaped through the back window.
凶手从后窗逃走了。
用法提示：killer 为名词，作主语，指‘杀人者’。
AI contextual example
Killers often try to hide the evidence.
凶手往往试图掩盖证据。
用法提示：killers 是 killer 的复数形式，泛指杀人者。
AI contextual example
表示“造成……死亡的因素”，of 后接受害者或受影响的群体。
Heart disease is the leading killer of women worldwide.
心脏病是全球女性的头号杀手。
用所有格指出被害者，指夺走某人生命的人。
The police never found her killer.
警方始终没有找到杀害她的凶手。
口语中作表语，指极其困难、令人吃不消的事情。
That final exam was a killer.
那场期末考试真是难得出奇。
grammar · medium
易错句子He is killer.
正确表达He is a killer.
英语中单数可数名词前通常需要冠词或其他限定词；汉语名词可以光杆出现，所以容易漏掉 a/an。这里 killer 是可数名词单数，表示“杀手”这一身份，必须用 a。
grammar · medium
易错句子There are three killer in the room.
正确表达There are three killers in the room.
数词 three 后面要用可数名词的复数形式；汉语名词没有单复数变化，因此容易忘记加 -s。killer 的复数是 killers。
grammar · medium
易错句子He is one of the most famous killer in the world.
正确表达He is one of the most famous killers in the world.
one of the + 形容词最高级 + 名词 结构中，该名词必须是复数，因为表示“最……的之一”，是从多个对象中选一个。killer 要用复数 killers。
连环杀手；连环杀人犯
The police finally arrested the serial killer.
警方终于逮捕了那名连环杀手。
雇佣杀手；职业杀手
He was arrested for hiring a contract killer.
他因雇佣杀手而被捕。
止痛药
The doctor gave her a pain killer after the surgery.
手术后医生给她开了止痛药。
虎鲸
We watched a killer whale jump out of the water.
我们看着一头虎鲸跃出水面。
必胜的杀手本能；强烈的竞争意识
A great athlete needs a killer instinct.
优秀的运动员需要一种必胜的杀手本能。
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
巨人杀手；击败强敌者
The small club became a giant killer in the cup.
这家小球会在杯赛中成了巨人杀手。