absolute ignorance极端: extremes无知: ignorant鲁莽无礼, 极端无礼: more sauce than fig无知: ignorant 出于无知 out of ignorance; 出于无知的错误 an ignorant error; 我对此事全然无知。 i am in sheer ignorance of the matter末端无物体: divide evenly no objects at ends下载手机词典可随时随地查词查翻译