Knowlton , who was thirty-one , was a " freethinker " and , by the standards of the berkshires , an unusually adventurous soul .

诺尔顿，一个三十一岁的，“自由思想家”，一个满足伯克夏标准的不同寻常的有冒险精神的灵魂。

Freud 's family background was jewish , though his father was a freethinker and freud himself an avowed atheist .

弗洛伊德具有犹太人的家庭背景：尽管他的父亲是一个自由思想者而弗洛伊德却认为自己是一个无神论者。