1
be insane
The plan is completely insane.
这个计划完全疯了。
精神失常的；疯狂的
insanest — superlative of insane
先理解核心含义，再看它在真实句子里的用法。
精神失常的；疯狂的
mentally ill; not sane
The plan is completely insane.
这个计划完全疯了。
精神错乱的；心智失常的；疯狂的
Exhibiting unsoundness or disorder of mind; not sane; utterly mad.
患有或表现出精神错乱的特征
afflicted with or characteristic of mental derangement
精神病人所用的；与精神病人有关的
Used by or relating to insane people.
非常愚蠢
very foolish
Paying that much for a small apartment is insane.
为小公寓付那么多钱真是太离谱了。
AI contextual example
It was insane to drive through the storm last night.
昨晚在暴风雨中开车真是太疯狂了。
AI contextual example
She has an insane work schedule that leaves no time for rest.
她的工作安排疯狂得令人没有休息时间。
AI contextual example
was declared insane
被宣布精神失常
WordNet
The plan is completely insane.
这个计划完全疯了。
That noise is driving me insane.
那个噪音快把我逼疯了。
He went insane after the accident.
事故后他精神错乱了。
Not this
He is an insane.
Use this
He is insane.
insane 是形容词，不能直接用冠词修饰，不能说 'an insane'，应直接作表语。
Not this
That is a insane idea.
Use this
That is an insane idea.
insane 以元音音素开头，前应用冠词 'an' 而不是 'a'。同时注意冠词与形容词的搭配顺序。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
发疯；发狂
After years of isolation, he went insane.
经过多年隔离，他发疯了。
使某人发疯；让某人受不了
The constant noise drove me insane.
持续的噪音让我发疯。
完全疯狂的；非常不合理的
That plan is absolutely insane.
那个计划完全疯狂。
极度的嫉妒
His insane jealousy destroyed their relationship.
他极度的嫉妒毁掉了他们的关系。
临床诊断为精神错乱的
The court declared him clinically insane.
法庭宣布他临床精神错乱。
极大量的；大量的
She spent an insane amount of money on shoes.
她在鞋子上花了一大笔钱。
使某人发疯
The constant noise from the construction site is driving me insane.
建筑工地不断的噪音快把我逼疯了。
发疯
If I have to listen to that song one more time, I'll go insane.
如果我不得不再听一遍那首歌，我会发疯的。
嫉妒得发疯
He was insane with jealousy after finding out about her ex-boyfriend.
在发现她的前男友后，他嫉妒得发疯。
膜里疯狂，脑子里疯狂！
This song lyric about being insane is iconic in hip-hop culture.
这首关于疯狂的歌词是嘻哈文化中的经典。
你疯了！
In The Dark Knight, Batman calls the Joker insane.
在《黑暗骑士》中，蝙蝠侠称小丑为疯子。
Use insanest naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
in=不, sane=理智, 合起来=不理智, 想象一个理智的人突然发疯的样子。
语域：mixed 常见场景：日常口语、医学语境 通常非正式用法表示‘极其荒谬的’；在医学或正式语境中表示‘精神错乱的’。
作定语时常位于名词前；作表语时可用 be/go 等连系动词。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.