1
be idiotic
最常用结构，直接描述主语的性质。
That plan is utterly idiotic.
那个计划极其愚蠢。
愚蠢的；白痴的
先理解核心含义，再看它在真实句子里的用法。
愚蠢的；白痴的
extremely stupid and irresponsible
That plan is utterly idiotic.
那个计划极其愚蠢。
与白痴有关的或类似白痴的；具有类似白痴行为的特征。
Pertaining to or resembling an idiot; characterised with behaviour resembling idiocy.
极度不负责任
insanely irresponsible
愚蠢的；非常傻的
Having the quality of idiocy; very foolish
不协调；引人嘲笑
incongruous;inviting ridicule
Leaving the keys in the car was an idiotic mistake.
把钥匙留在车里是个愚蠢的错误。
AI contextual example
It seems idiotic to go out in this storm.
在这种暴风雨天出门似乎很愚蠢。
AI contextual example
Telling everyone your password is an idiotic thing to do.
把你的密码告诉所有人是件愚蠢的事。
AI contextual example
an idiotic idea
一个愚蠢的想法
WordNet
最常用结构，直接描述主语的性质。
That plan is utterly idiotic.
那个计划极其愚蠢。
表达主观感受，宾语从句或名词短语。
I find his jokes idiotic.
我觉得他的笑话很愚蠢。
it形式主语，不定式短语作真正主语。
It is idiotic to ignore safety warnings.
忽视安全警告是愚蠢的。
describe...as...结构，后接形容词。
She described the decision as idiotic.
她形容这个决定愚蠢至极。
Not this
He is an idiotic.
Use this
He is idiotic.
idiotic是形容词，前面不能用不定冠词an，应直接作表语。
Not this
He behaves idiotic.
Use this
He behaves idiotically.
修饰动词behave应用副词idiotically，而非形容词idiotic。
Not this
It is idiotic for him to do that.
Use this
It is idiotic of him to do that.
在‘it is adj. of sb. to do’结构中，评价某人的行为特征时介词用of，而非for。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
愚蠢的主意
He came up with an idiotic idea to save money.
他想出了一个愚蠢的主意来省钱。
愚蠢的行为
Her idiotic behavior at the meeting embarrassed everyone.
她在会议上的愚蠢行为让大家都很尴尬。
愚蠢的错误
I made an idiotic mistake by sending the email to the wrong person.
我犯了一个愚蠢的错误，把邮件发给了错误的人。
愚蠢的问题
He asked an idiotic question that nobody wanted to answer.
他问了一个没人想回答的愚蠢问题。
傻笑
She wore an idiotic grin throughout the whole conversation.
整个谈话过程中她都傻笑着。
愚蠢的决定
It was an idiotic decision to drive home after drinking.
酒后开车回家是个愚蠢的决定。
Use idiotic naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
看到 idiotic 里的 idiot（白痴）加上 -ic（…的），联想成“白痴般的、愚蠢的”，一下子就记住了。
语域：informal 常见场景：日常口语批评、非正式评论、社交媒体对话 这是一个较口语化的贬义词，通常用于口头或非正式书面表达，带有强烈不满或嘲讽的语气；正式场合较少使用。
常用于描述行为或想法极其愚蠢
Dictionary facts from ECDICT, WIKTIONARY.