crow over sth
over 后面接让人得意的事，多指炫耀胜利，通常含贬义。
The champions were still crowing over their win the next morning.
第二天早上，冠军队还在为这场胜利得意洋洋。
啼叫；打鸣
先理解核心含义，再看它在真实句子里的用法。
啼叫；打鸣
(of a rooster) making a shrill cry
一般现在时
The rooster crows every morning.
每天早晨公鸡都会啼叫。
一般过去时
The baby crowed happily when she saw the toy.
婴儿看到玩具时高兴地咯咯叫。
现在进行时
The rooster is crowing at dawn.
公鸡正在拂晓时啼叫。
规则动词，过去式和过去分词均为 crowed；crowing 是现在分词。
At dawn, the rooster was crowing loudly from the barn roof.
黎明时，公鸡在谷仓屋顶上大声啼叫。
用法提示：此处 crowing 是动词 crow 的现在分词，与 was 构成过去进行时，表示公鸡啼叫。
The baby is crowing with delight as she plays with the toy.
这个婴儿一边玩玩具，一边高兴地咯咯叫。
用法提示：此处 crowing 是动词 crow 的现在分词，与 is 构成现在进行时，表示婴儿欢快地咯咯叫。
After winning the game, he kept crowing about his perfect score.
赢了比赛后，他不停地自夸自己的满分成绩。
用法提示：此处 crowing 是动词 crow 的动名词，用在 keep doing 结构中，表示得意洋洋地自夸。
over 后面接让人得意的事，多指炫耀胜利，通常含贬义。
The champions were still crowing over their win the next morning.
第二天早上，冠军队还在为这场胜利得意洋洋。
about 后面接自夸的具体内容，多用于口语，带贬义。
He keeps crowing about his new car to anyone who will listen.
他见人就吹嘘自己的新车。
本义指婴儿发出欢快的咯咯声；with 后也可换用 joy、excitement 等表情绪的名词。
The baby was crowing with delight when she heard the music.
听到音乐，婴儿高兴得咯咯直叫。
指公鸡打鸣，是不及物用法，常跟表时间或地点的状语。
The rooster crowed at dawn and woke the whole village.
公鸡在黎明时打鸣，把整个村子都吵醒了。
grammar · medium
易错句子Look! The rooster crowing.
正确表达Look! The rooster is crowing.
现在进行时由 be + 动词 -ing 构成，不能省略 be；汉语“公鸡在打鸣”没有对应的 be，但英语主句必须有 is。
grammar · medium
易错句子He is always crowing his success.
正确表达He is always crowing about his success.
crow 表示“自夸”时是不及物动词，后面要用 about 或 over 引出夸耀的内容，不能像汉语“自夸某事”那样直接带宾语。
grammar · medium
易错句子The baby enjoys to crow.
正确表达The baby enjoys crowing.
enjoy 后接动词时只能用 -ing 形式，不能用不定式 to do；应说 enjoys crowing，而不是 enjoys to crow。
两词只差开头一个辅音：growing 读 /ˈɡroʊɪŋ/，crowing 读 /ˈkroʊɪŋ/，/ɡ/ 与 /k/ 听混就会误解。意思上 growing 表示生长、增大、发展，与公鸡啼叫或自夸无关。
croaking 多指青蛙、乌鸦等沙哑低沉的叫声，也可指人嗓音嘶哑地说话；crowing 专指公鸡响亮尖锐的啼叫。读音相近（/kroʊk-/ 与 /kroʊ-/），注意结尾是否带 /k/ 音。
在“自夸”这一义项上与 crowing 重叠，但 boasting 是普通动词，常直接带宾语或接 about，语气中性偏贬；crowing 更强调得意洋洋、志得意满的神态，多作 crow about/over，更口语化。
Choose the next layer that will help you use crowing with more confidence.
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