1
be foolish to do sth
He was foolish to trust her.
他信任她真是太蠢了。
愚蠢的；傻的
先理解核心含义，再看它在真实句子里的用法。
愚蠢的；傻的
Lacking good sense or judgement; stupid or unwise.
He was foolish to trust her.
他信任她真是太蠢了。
Lacking good sense or judgement as a general trait; unwise; stupid.
缺乏理智或判断力的
devoid of good sense or judgment
Not based on good sense or judgement; as a fool would do or conclude.
愚蠢的；显露愚昧的
having or revealing stupidity
It was foolish of him to spend all his savings on lottery tickets.
他把所有积蓄都花在彩票上，真是太愚蠢了。
AI contextual example
Don't be foolish — always check the weather before a hike.
别犯傻——徒步前一定要查看天气。
AI contextual example
She felt foolish for believing his lies.
她因为相信了他的谎言而感到愚蠢。
AI contextual example
foolish remarks
愚蠢的言论。
WordNet
He was foolish to trust her.
他信任她真是太蠢了。
It was foolish of me to forget the appointment.
我忘了约会真是太傻了。
She was foolish enough to believe his lies.
她竟愚蠢到相信他的谎言。
It would be foolish to ignore the warning.
忽视警告将是愚蠢的。
Not this
She looks foolishly.
Use this
She looks foolish.
“look”是系动词，后应接形容词作表语，而非副词“foolishly”。
Not this
It is foolish for you to go alone.
Use this
It is foolish of you to go alone.
表示“某人做某事是愚蠢的”，固定搭配为“it is foolish of someone to do something”，介词用“of”而非“for”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
愚蠢的错误
It was a foolish mistake to trust him.
信任他是一个愚蠢的错误。
不明智的决定
She regretted her foolish decision to quit school.
她后悔辍学这个不明智的决定。
愚蠢的行为
His foolish behavior at the party embarrassed everyone.
他在聚会上的愚蠢行为让所有人都很尴尬。
愚蠢的想法
Don't listen to him; that's a foolish idea.
别听他的，那是个愚蠢的想法。
愚蠢的自尊心
His foolish pride prevented him from apologizing.
他愚蠢的自尊心阻止了他道歉。
愚蠢的问题
There's no such thing as a foolish question.
没有愚蠢的问题这回事。
小处精明，大处糊涂
He saved money by using cheap materials, but the building collapsed: penny wise and pound foolish.
他用廉价材料省钱，但楼塌了：真是小处精明，大处糊涂。
愚蠢的一贯性
The manager insisted on the same old methods despite better alternatives; that's foolish consistency.
经理尽管有更好的方法却坚持老一套，这就是愚蠢的一贯性。
愚蠢的自尊心
He refused to apologize out of foolish pride, which ruined their friendship.
他出于愚蠢的自尊心拒绝道歉，毁了他们的友谊。
愚蠢地前后一致是心智狭隘的妖怪。
From Ralph Waldo Emerson's essay 'Self-Reliance'.
出自拉尔夫·沃尔多·爱默生的散文《论自助》。
发长 /uː/ 音 (如 food, boot)
Use foolish naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
foolish = fool（傻瓜）+ ish（像……的），想象一个人像傻瓜一样做事，就是愚蠢的。
语域：mixed 常见场景：日常对话、文学、正式演讲 通常用于描述缺乏判断力或智慧的行为或决定，在正式和非正式场合均可使用。
These words share the '-ish' spelling but do not rhyme with 'foolish' /ˈfuːlɪʃ/ because the stressed vowel /uː/ is unique. 'Polish', 'abolish', and 'relish' have the same /lɪʃ/ ending, while 'fish', 'dish', and 'wish' have only /ɪʃ/. All have different preceding vowels and stress patterns.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
Watch the sound change