adj unable to act and think normally, esp because of mental illness; seriously disturbed 精神错乱的; （尤指）有精神病的; 精神失常的
*She's completely deranged. 她完全精神错乱了.
* a deranged attacker, mind, laugh 疯狂的攻击者、失常的心态、狂笑.
[Date: 1700-1800; Origin: derange 'to make untidy, make mad' (18-21 centuries), from French déranger]
someone who is deranged behaves in a crazy or dangerous way, usually because they are mentally ill
a deranged gunman
>derangementn [U and C]
1. The poor woman´s mind has been deranged for many years. 女人已精神错乱好几年了。
2. The mice just became deranged. 这些老鼠确实变得发狂了。