adj.不知道的;不熟悉的;不認(rèn)識(shí)的;陌生的
The foreigners are unacquainted with our custom. 這些外國(guó)人不了解我們的風(fēng)俗。
She was too young, too impatient to live, too unacquainted with pain. 她還太年輕,太渴望著生活,對(duì)痛苦知道得太少。