It was really kind of you to help me.

　　你幫我的忙，我太感激了。

　　It was most kind of you to meet me.

　　你來接我真是太好了。

　　I like him, kind of.

　　我有點兒喜歡他。

　　My sister is a knowledgeable professor.

　　我姐姐是個知識淵博的人。

　　She's a knowledgeable woman.

　　她是個知識淵博的女人。

　　provided by jukuu

　　Others hold the view that a wealthy person is one who is knowledgeable and wise.

　　也有些人認為博學而有智慧的人才是富有的人。