No one in her right mind would make such a major purchase without asking questions.没有哪个心智正常的人会连问都不问就花这么一大笔钱买东西。No woman in her right mind would go out with a man like him.脑子正常的女人是不会和他那样的男人约会的。My poor old granny isn't in her right mind half the time.真可怜，我那年迈的奶奶现在明白一阵，糊涂一阵。She is not in her right mind. 她精神不正常。