a cock
cock 作'公鸡'解时为可数名词，泛指时用 a cock，定指时用 the cock。
A cock crowed loudly in the farmyard.
一只公鸡在农家庭院里大声打鸣。
鸡巴；龙头；旋塞；阀门；（枪的）击锤；翘起；倾斜；（头或帽子的）神气歪斜
A male bird, especially a male chicken; a rooster.
雄性鸟,尤其是:
A male bird, especially:
小圆锥形干草堆
A small conical pile of hay or grass.
阴茎的粗俗说法
obscene terms for penis
用于控制管道中流量的阀门或水龙头
A valve or tap for controlling flow in plumbing.
旋塞；龙头
faucet consisting of a rotating device for regulating flow of a liquid
火器扳机机制的击锤
The hammer of a firearm trigger mechanism.
枪机击锤
the part of a gunlock that strikes the percussion cap when the trigger is pulled
冰球场末端的圆圈
The circle at the end of the rink.
被扳起的状态；向上转动、倾斜或角度
The state of being cocked; an upward turn, tilt or angle.
自夸地抬起头或帽子
A boastful tilt of one's head or hat.
鸡形风向标；风标
A vane in the shape of a cock; a weathercock.
公鸡的啼叫,尤其是早晨的第一次啼叫；鸡鸣
The crow of a cock, especially the first crow in the morning; cockcrow.
雄性鱼,尤其是鲑鱼或鳟鱼
A male fish, especially a salmon or trout.
日晷的指针或指针
The style or gnomon of a sundial.
天平的指示器
The indicator of a balance.
在钟表中为平衡轴枢提供支撑的桥件
The bridge piece that affords a bearing for the pivot of a balance in a clock or watch.
The plumber turned off the cock to stop the leak.
水管工关掉了水龙头以阻止漏水。
用法提示：这里的cock是名词，意为水龙头。
Please open the cold water cock to fill the kettle.
请打开冷水龙头装满水壶。
用法提示：cock作名词表示水龙头。
The garden cock is dripping and needs a new washer.
花园的水龙头在滴水，需要换一个新垫圈。
用法提示：cock是名词，指水龙头。
cock 作'公鸡'解时为可数名词，泛指时用 a cock，定指时用 the cock。
A cock crowed loudly in the farmyard.
一只公鸡在农家庭院里大声打鸣。
指管道或机械中的'旋塞、龙头'等部件时，常用 the cock of ... 表示所属关系。
He turned the cock of the water pipe to stop the flow.
他转动水管的旋塞以停止水流。
cock 可放在某些鸟名前作定语，表示'雄性'，如 cock pheasant、cock sparrow。
We spotted a cock pheasant near the woods.
我们在树林附近发现一只雄雉鸡。
cock 作'阴茎'解时为粗俗用语，常用物主代词修饰，多见于非正式或粗俗语境。
He covered his cock with a towel.
他用毛巾遮住自己的阴茎。
与 cock 同义，指成年雄性家鸡，是使用最广泛的替换词；在美式英语中尤其常见，日常口语中常用。
指一岁以下的雄性家鸡，年龄比 cock 小，不完全等同；强调幼年雄性时使用，不能随意替换 cock。
grammar · medium
易错句子There are three cock in the yard.
正确表达There are three cocks in the yard.
cock 是可数名词,前面有具体数词 three 时必须用复数形式 cocks。汉语名词没有单复数变化,'三只公鸡'里的'公鸡'字形不变,所以学习者常漏掉 -s。
grammar · medium
易错句子Cock is a male bird.
正确表达A cock is a male bird.
泛指一类中的任意一个时,可数名词单数前必须加不定冠词,故用 a cock。汉语没有冠词系统,'公鸡是雄鸟'直译成英语时容易丢掉 a。
grammar · medium
易错句子The cock lays eggs and feeds the chicks.
正确表达The hen lays eggs and feeds the chicks.
cock 只指雄鸟,不会产卵;下蛋、孵雏的是雌鸟,英语用 hen。汉语用'公鸡/母鸡'区分性别,学习者只记住一个'鸡'的笼统概念时会把 cock 和 hen 混用。
针对“cock”表示成年雄性禽鸟（尤指公鸡）的义项；hen 指成年雌性禽鸟，chick 指小鸡、不分性别，不能作为反义词。
指公鸡时，rooster 是美式英语的日常用词，也能避开 cock 的粗俗歧义；cock 可泛指雄性鸟，作“公鸡”时英式较常见，但正式或跨地区交流宜用 rooster。
cockerel 专指未成年的小公鸡；cock 指成年雄性鸟（尤指公鸡），说“小公鸡”时用 cockerel 更准确，且 cock 还可作粗俗语。
公鸡报晓；黎明
The farmers were already in the fields at cock crow.
公鸡报晓时，农民们已经在田里了。
斗鸡
They raised fighting cocks for the traditional festival.
他们为传统节日饲养斗鸡。
雄雉；公野鸡
A cock pheasant flew out of the bushes.
一只公野鸡从灌木丛中飞了出来。
浮球阀；球形旋塞
The ball cock in the toilet tank was stuck, so the water kept running.
马桶水箱里的浮球阀卡住了，所以水一直流。
（枪机）全待击状态
He kept the rifle at full cock while he waited.
他等待时让步枪保持全待击状态。
荒诞无稽的故事；胡编乱造的说法
He told a cock-and-bull story about why he was late.
他编了个荒诞无稽的故事解释自己迟到的原因。
称王称霸的人；自命不凡的头头
He's been the cock of the walk ever since he won the championship.
自从他赢得冠军以来，他就一直趾高气扬、称王称霸。
操之过急；冒失行事
Don't go off at half cock and announce the news before we're sure.
别操之过急，在确定之前就宣布这个消息。
我实在告诉你，今夜鸡叫以先，你要三次不认我。
This is Jesus' prophecy to Peter in the Bible (Matthew 26:34), often quoted when predicting betrayal or failure.
这是《圣经·马太福音》26章34节中耶稣对彼得的预言，常被引用以预测背叛或失败。
公鸡是早晨的号角，用它那高亢嘹亮的喉咙唤醒白昼之神。
This famous line from Shakespeare's Hamlet describes the rooster crowing at dawn, a vivid image of awakening and a new beginning.
这句出自莎士比亚《哈姆雷特》的著名台词描写公鸡在黎明时打鸣，是唤醒和新开始的生动意象。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.