unsound mind

英 [ˌʌnˈsaʊnd maɪnd]

美 [ˌʌnˈsaʊnd maɪnd]

n. 精神失常；神志不清

The suicide was of unsound mind when she committed the deed.
她自杀时精神失常。
Immature and unsound state of mind, conflicts of interests, lack of skills and knowledge for interpersonal association, and differences between habits and values of college students as a whole are among the main reasons leading to interpersonal conflicts in college student dormitories.
摘要大学生心理上的不成熟、不健全，大学生之间存在的利益竞争，大学生匮乏的人际交往知识技能以及大学生群体在价值观念和生活习惯等方面存在的差异，是导致大学生宿舍人际冲突的主要原因。
They said that he was of unsound mind when he wrote this document.
他们说他写这份文件时头脑有毛病。
Unsound mind, like unsound body, if you feed, you poison.
不健全的思想犹如不健康的身体，吃下去要中毒。
He escaped a prison sentence by reason of unsound mind at the time the crime was committed.
他以犯罪时精神不正常为由逃过了监禁刑罚。
The poor man killed himself while he was of unsound mind.
那可怜人在神志不清时自杀了。