without book meaning in Chinese

凭记忆

His sermons were delivered without book .
他的讲道文从不引经据典。
How can you punish the children without book
你怎麽能毫无根据地惩罚孩子
Servant : perhaps you have learned it without book : but , i pray , can you read any thing you see
仆人：也许您只会背诵；可是请问您会不会看着字一个一个地念？
Books are the nutrient of the whole world ； a life without books is like a life without sunlight ; wisdom without books is like a wingless bird
书藉是全世界的营养品。生活里没有书藉就好像没有阳光；智慧里没有书藉就好像鸟儿没有翅膀。
He cannot live fully in mind without books and time to study them , without opportunity for travel and observation , or without intellectual companionship
没有了书和学习的时间，没有了旅游和扩大视野的机会，没有了知识上的友谊，人就不可能完善他的精神世界。