simple: implies a degree of intelligence inadequate to cope with anything complex or involving mental effort or implies a failure to use one's intelligence: ~ peasants afraid of revolutionary ideas.   （intelligence智力高的，强调优秀的思维能力，能成功应对解决新情况新问题stresses superiority of mind and success in coping with new situations or in solving problems，如an intelligent person could assemble it in 10 minutes一个高智商的人可以十分钟之内将其组装，IQ智商的说法比智力更常用。如a good programmer has almost nothing to do with super intelligence, but has almost everything to do with good habits好的程序员几乎和超级智商没有关系，但却和良好的习惯息息相关）

foolish: implies the character of being or seeming unable to use judgment, discretion, or good sense: ~ people believed the ghost story.    （sense理性意识，指有判断推理能力，能做合理的决定判断implies ability to judge or decide rationally based on intelligence, prudence, and soundness, 如hasn't the sense to wait out the storm缺乏理性，不知道躲避暴风雨。近义词rational也是理性，表示有理解能力或能够被理解ability to understand things or quality of being understandable, 和sense意思一样，如a rational being一个理性的人）     （discretion 1、谨慎：指说话小心不泄密careful in speaking or doing in order to keep something secret or avoid making trouble，如this is confidential, but I know that I can rely on your discretion这是机密,不过我知道你谨慎靠得住  2、自行决定权authority to decide on one's own，如the president said the tariffs would be lifted "if the illegal migration crisis is alleviated through effective actions taken by Mexico," which will "be determined in our sole discretion and judgment."总统说，如果墨西哥采取有效措施缓解难民危机，就取消关税，这完全由美方判断和自行决定）


silly: suggests failure to act as a rational being by showing lack of common sense or by ridiculous behavior: the ~ stunts of vacationing college students.     common sense常识，即常见的理性意识


fatuous: implies contemptuous foolishness, inanity, and disregard of reality: the ~ responses of over-ambitious politicians.  contemptuous轻视傲慢的，不要和contemptible让人轻视的混淆  (inane无意义空洞无聊傻lack of point or sense，如he always had this inane grin他总是傻傻地咧嘴笑, 如an inane interpretation of the play对戏剧的空洞解释）


asinine: suggests utter and contemptible failure to use normal rationality or perception: a soap opera with an especially ~ plot. 注意只有1个s.   （ass驴笨蛋，asshole孬种，既愚蠢没有能力又不诚实的人refers to a person who is stupid, incompetent, and dishonest，有本书的最后一句话"don't be an asshole不要做孬种"）


simple头脑简单: 指智力不足，不能处理复杂耗脑力事务，或指没有用脑，foolish傻: 表示缺乏理解判断决定能力，silly傻: 表示让人无法理解，表现得缺乏常识或做事荒唐，fatuous愚昧傲慢: 表示既愚昧无知又表现出傲慢，asinine愚蠢:  表示完全缺乏常人都有的理性见识，令人轻视


记忆方法: 1）首字母sfsfa傻的人只知道舒服<==傻的          这组词是说人傻foolish，而不是蠢笨stupid，傻表示无知头脑不善于辨别是非不明事理，    蠢笨则强调迟钝不灵活，笨的本意是竹子的内层像白纸一张，比喻人思维不灵巧，蠢的本义指冬眠的虫蛇在回暖的春天苏醒蠕动，如蠢蠢欲动，后引申为动作慢迟钝，蠢笨完全同义


         2）傻的的意思是缺乏智力mean actually or apparently deficient in intelligence.