1
be stupid
He is stupid to believe that.
他相信那个真是愚蠢。
愚蠢的；笨的
先理解核心含义，再看它在真实句子里的用法。
愚蠢的；笨的
lacking intelligence or common sense
He is stupid to believe that.
他相信那个真是愚蠢。
没有智力
Without intelligence.
达到昏迷的程度
To the point of stupor.
缺乏或表现出缺乏智力敏锐
lacking or marked by lack of intellectual acuity
尤其因震惊而处于精神麻木状态
in a state of mental numbness especially as resulting from shock
I felt stupid when I realized I had locked my keys in the car.
当我意识到把钥匙锁在车里时，我觉得自己很笨。
AI contextual example
It was stupid of me to leave the window open last night.
我昨晚没关窗户，真是太蠢了。
AI contextual example
He made a stupid mistake on the math test.
他在数学考试中犯了一个愚蠢的错误。
AI contextual example
was stupid from fatigue
由于疲劳而变得迟钝。
WordNet
He is stupid to believe that.
他相信那个真是愚蠢。
常用结构，强调行为愚蠢
It was stupid of you to leave the door open.
你让门开着真是太傻了。
Don't ask such stupid questions.
别问这么愚蠢的问题。
Not this
He is stupidity.
Use this
He is stupid.
stupidity是名词，表示'愚蠢'；而此处需要形容词stupid来描述人。应使用形容词作为表语。
Not this
That was a stupidly idea.
Use this
That was a stupid idea.
stupidly是副词，不能修饰名词idea；应使用形容词stupid修饰名词。
Not this
It's stupid for you to do that.
Use this
It's stupid of you to do that.
在句型'It's stupid of sb to do sth'中，介词固定用of，表示某人的行为愚蠢，而不用for。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
愚蠢的错误
I made a stupid mistake on the test.
我在考试中犯了一个愚蠢的错误。
愚蠢的问题
There's no such thing as a stupid question.
没有所谓愚蠢的问题。
愚蠢的主意
That's a stupid idea; it will never work.
那是个愚蠢的主意，行不通的。
愚蠢的事
Don't do stupid things when you're angry.
生气时别做愚蠢的事。
愚蠢的人
He's not a stupid person, just lazy.
他不是愚蠢的人，只是懒。
愚蠢的决定
Quitting your job was a stupid decision.
辞掉工作是个愚蠢的决定。
愚蠢的行为决定愚蠢的人
He keeps making the same mistakes. Stupid is as stupid does.
他一直在犯同样的错误。愚蠢的行为决定愚蠢的人。
装傻
Don't play stupid with me; you know what I'm talking about.
别跟我装傻，你知道我在说什么。
大清早/深更半夜（非常早或非常晚的时间）
We have to wake up at stupid o'clock to catch the flight.
我们得在大清早起床去赶飞机。
傻人有傻福。
When Forrest says 'Stupid is as stupid does,' he means actions define a person, not labels.
当阿甘说'傻人有傻福'时，他意思是行为定义一个人，而不是标签。
愚蠢的性感弗兰德斯！
Homer Simpson mutters 'Stupid sexy Flanders' out of jealousy whenever he sees his neighbor doing something well.
每当荷马·辛普森看到邻居做得很好时，他会嫉妒地嘀咕'愚蠢的性感弗兰德斯'。
Use stupid naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
stupid音似斯丢匹德，联想死丢皮囊没脑子
通常用于口语中表示‘愚蠢’，带有贬义；在医学或正式场合可表示‘麻木的、恍惚的’（如due to shock）。注意词义差异，避免无意冒犯。
常用作表语或定语，可接不定式
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.