1
in a state of derangement
常指精神或心理上的紊乱。
The patient was in a state of derangement.
病人处于精神错乱状态。
精神错乱
先理解核心含义，再看它在真实句子里的用法。
精神错乱
a state of mental disturbance and disorientation
The patient was in a state of derangement.
病人处于精神错乱状态。
精神错乱的状态
The property of being deranged.
扰乱的行为或实例
An act or instance of deranging.
一种排列方式,使得没有元素在原来的位置上
A permutation of a set such that no element is in its previous position.
After weeks without sleep, his sudden derangement worried the whole family.
连续几周不睡觉后，他突然的精神错乱让全家人非常担心。
Doctors could not explain the patient's brief derangement during the fever.
医生无法解释病人在发烧期间短暂的意识混乱。
The novel describes a man's slow descent into derangement after losing his job.
这部小说描述了一个男人失业后逐渐陷入精神错乱的过程。
常指精神或心理上的紊乱。
The patient was in a state of derangement.
病人处于精神错乱状态。
用于描述长期的或突发的精神紊乱。
He suffered from severe derangement after the accident.
事故后他患有严重的精神错乱。
数学术语，指排列中每个元素都不在原位的排列。
The derangement of 5 elements is a common problem in combinatorics.
5个元素的错位排列是组合数学中的常见问题。
Not this
The crisis derangement the company.
Use this
The crisis deranged the company.
英语中'derangement'是名词，不能直接用作动词。表示'使精神错乱或混乱'应用动词'derange'。
Not this
We need to calculate the number of arrangements where no element is in its original position.
Use this
We need to calculate the number of derangements where no element is in its original position.
在组合数学中，'arrangement'指一般的排列，而'derangement'特指错位排列（无固定点），二者意义不同，混淆会导致数学概念错误。
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.