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a howler
howler 在这里指‘明显的错误’（a glaring blunder），常用于口语或非正式语体。
The report contained a howler that embarrassed the company.
报告中有一个明显的错误，让公司很尴尬。
嚎叫的动物；吼猴
先理解核心含义，再看它在真实句子里的用法。
嚎叫的动物；吼猴
An animal that howls, such as a wolf or a howler monkey.
The report contained a howler that embarrassed the company.
报告中有一个明显的错误，让公司很尴尬。
嚎叫的东西,尤指狼或吼猴等动物。
That which howls, especially an animal such as a wolf or a howler monkey.
以威胁形式公开表达攻击性的人。
A person who expresses aggression openly in the form of threats.
重重摔落；暴跌。
A heavy fall.
The test had several howlers, including a question with no correct answer.
这次考试有好几个明显的错误，其中包括一道没有正确答案的题目。
His explanation was a howler; he confused 'affect' and 'effect'.
他的解释是个明显的错误；他混淆了'affect'和'effect'。
The weather forecast contained a howler when it predicted snow in July.
天气预报出现了一个明显的错误，它预测七月会下雪。
howler 在这里指‘明显的错误’（a glaring blunder），常用于口语或非正式语体。
The report contained a howler that embarrassed the company.
报告中有一个明显的错误，让公司很尴尬。
He made a howler in his speech by misquoting the CEO.
他在演讲中犯了一个明显的错误，错误引用了首席执行官的话。
此结构加强howler的语气，相当于‘一个极其糟糕的……’。
That was a howler of a decision that cost the team the match.
那是一个极其糟糕的决定，让团队输掉了比赛。
Not this
He howlered the presentation.
Use this
He made a howler during the presentation.
howler 是名词，表示“明显的错误”，不能用作动词。应使用 make a howler 结构。
Not this
That was a howler mistake.
Use this
That was a howler.
howler 本身已表示“明显错误”，后面无需再加 mistake。此外，howler 是名词，不能直接修饰名词；若要修饰，应使用形容词形式 howling。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
吼猴
The howler monkey is one of the loudest animals in the rainforest.
吼猴是雨林中最响亮的动物之一。
红吼猴
Red howlers travel through the canopy in small groups.
红吼猴以小群体在树冠层活动。
重重摔一跤
She slipped on the wet floor and came a howler.
她在湿滑的地板上滑倒，重重摔了一跤。
妈妈给我寄了一封吼叫信。
In Harry Potter and the Chamber of Secrets, Ron Weasley receives a Howler from his mother that shouts his name.
在《哈利·波特与密室》中，罗恩·韦斯莱收到了妈妈寄来的一封吼叫信，信会喊出他的名字。
Use howler naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：狼“嚎”叫时张大嘴，想象一只吼猴在树上张大嘴“嚎”叫，加后缀-er表示“...的东西/人”——howler就是“嚎叫者”。
语域：neutral 常见场景：动物学读物、野生动物纪录片、自然文学或故事叙述 作为名词，'howler' 通常指会嚎叫的动物，如狼或吼猴（howler monkey）；在动物学读物、野生动物纪录片和自然文学叙述中比较多见，语气中性。
可数名词，常指可笑的错误。
Dictionary facts from ECDICT, WIKTIONARY.