短语词组短语be utterly ignorant of 一无所知;完全无知;一窍不通be entirely ignorant of 形容非常黑暗Be entirely ignorant of something 对某方面东西不了解;对某方面工具不领会;无知To be ignorant of repentance 不知悔改Be Ignorant Of One 's Strength 夸父逐日 返回 be ignorant of