短语词组短語be utterly ignorant of 一無所知;完全無知;一竅不通be entirely ignorant of 形容非常黑暗Be entirely ignorant of something 對某方麪東西不了解;對某方麪工具不領會;無知To be ignorant of repentance 不知悔改Be Ignorant Of One 's Strength 誇父逐日 返回 be ignorant of