By lack of understanding they remained insane.
?? 名句詞匯解析
從本句名言中提取的重要詞匯，幫助你深度理解這句話
vt. 理解，懂得;熟知，通曉;獲知，理解;諒解;
vi. 理解，懂得;表示同情或諒解;據(jù)說;
n. 認(rèn)識，了解;諒解;知識;
adj. 能諒解的;寬容的;通情達(dá)理的;
?? under下+stand站立+ing名詞后綴 → 理解
"an imperfect understanding of English"
對英語的不透徹理解
近義：idea, insight, knowledge, assimilation, notion, perception
反義：incoherence, incomprehension, disagreement, inharmony, nonapproval, nonconformity
adj. 瘋狂的;精神病的;非常愚蠢的;
?? in不+sane健康的 → 頭腦不清的
"Doctors certified him as insane."
醫(yī)生證明他精神失常。
近義：lunatic, mad, maniac, maniacal, maniatic, manic
反義：sound
vt. 缺乏，缺少;需要的東西;
n. 缺乏，不足，沒有;缺少的東西;
?? 辣味(la)公雞(ck)很 缺乏
"Her brain was befogged by lack of sleep."
她因缺乏睡眠而頭腦昏沉。
近義：necessitate, need, require, want, inadequacy, inefficiency
反義：lavishness, lot, luxuriance, luxuriancy, overabundance, plentifulness