1
the foolishness of [doing sth]
The foolishness of investing all his money in one stock was evident.
把所有的钱都投资在一只股票上的愚蠢是显而易见的。
愚蠢；傻；鲁莽
先理解核心含义，再看它在真实句子里的用法。
愚蠢；傻；鲁莽
The state or quality of being foolish; stupidity or rashness.
The foolishness of investing all his money in one stock was evident.
把所有的钱都投资在一只股票上的愚蠢是显而易见的。
The state of being foolish.
愚蠢鲁莽的特性
the trait of acting stupidly or rashly
A thing or event that is foolish, or an absurdity.
鲁莽愚蠢的品质
the quality of being rash and foolish
Looking back, I realized my foolishness had caused many problems.
回首往事，我意识到自己的愚蠢造成了许多问题。
AI contextual example
The teacher warned the students about the foolishness of cheating on exams.
老师警告学生们作弊是愚蠢的行为。
AI contextual example
His decision to quit his job without another offer was pure foolishness.
他在没有其他工作机会的情况下辞职，纯属愚蠢之举。
AI contextual example
adjusting to an insane society is total foolishness
适应一个疯狂的社会完全是愚蠢之举。
WordNet
The foolishness of investing all his money in one stock was evident.
把所有的钱都投资在一只股票上的愚蠢是显而易见的。
sheer或utter用于强调程度。
It was sheer foolishness to drive through the flooded road.
驾车穿过被淹的道路完全是愚蠢之举。
I cannot believe such foolishness would be tolerated.
我无法相信这种愚蠢行为会被容忍。
Not this
It was a foolishness idea.
Use this
It was a foolish idea.
‘foolishness’ 是名词，不能像形容词一样直接修饰名词。应使用形容词 ‘foolish’ 来修饰 ‘idea’。
Not this
There are many foolishnesses in his plan.
Use this
There is much foolishness in his plan.
‘foolishness’ 是不可数名词，不能加复数 -es。应使用 ‘much’ 而非 ‘many’。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
十足的愚蠢
It was sheer foolishness to drive in such weather.
在这样的天气里开车真是十足的愚蠢。
自己的愚蠢
He blamed his own foolishness for the failure.
他把失败归咎于自己的愚蠢。
年轻时的鲁莽
She often remembers the foolishness of her youth.
她常常想起自己年轻时的鲁莽。
看清……的愚蠢之处
He finally saw the foolishness of spending all his savings.
他最终看清了花光所有积蓄的愚蠢之处。
愚蠢的行为
Leaving the door open was an act of foolishness.
敞着门不关是愚蠢的行为。
真是荒唐！
What foolishness to go out in this storm!
在这样的暴风雨中外出，真是愚蠢！
愚蠢至极；极其愚蠢
It is the height of foolishness to go hiking in a blizzard without proper gear.
在暴风雪中没有合适装备就去远足，真是愚蠢至极。
别胡闹了；停止愚蠢行为
Cut the foolishness and tell me what you really think.
别胡闹了，告诉我你的真实想法。
别闹了；够了
Enough of this foolishness — let's get back to the agenda.
别闹了，我们回到正题吧。
因为十字架的道理，在那灭亡的人为愚拙；在我们得救的人，却为神的大能。
A famous Bible verse from 1 Corinthians 1:18, often used to illustrate the contrast between human wisdom and divine wisdom, and why true faith can seem absurd to those who do not believe.
这是《圣经》哥林多前书1章18节的著名经文，常用来阐明人的智慧与神的智慧之间的对比，以及为什么真正的信仰在不信者看来可能显得荒诞。
发长 /uː/ 音 (如 food, boot)
Use foolishness naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
拆分记忆：fool（傻子）＋-ish（像……的）＋-ness（名词后缀），像傻子一样的状态就是愚蠢，也可指蠢事。
语域：neutral 常见场景：日常对话、文学作品、正式写作 foolishness 是名词，通常表示“愚蠢、鲁莽”或“蠢事、荒唐行为”，在口语和书面语中都比较常见，属于中性偏正式表达；在非常正式的学术或技术文体中较少见。
没有常用词与 foolishness 完全押韵。拼写或发音相近的词：foolish 与它同根，但少了 /nəs/；fullness 元音为 /ʊ/，不是 /uː/；business、happiness、witness 都含 -ness，但读音各不相同；childishness 与其同有 -ishness 结尾（/ɪʃnəs/），但重音和元音不同，也不算押韵。
Dictionary facts from ECDICT, WIKTIONARY.
Watch the sound change