shrewd 英 [ʃruːd] 美 [ʃruːd] adj. 精明的；狡猾的；机灵的 n. 精明（的人）；机灵（的人）
■源: shrewd来源于shrew "鼩鼱", 很精明的老鼠 后引申为 精明的人; 机灵的
考点1: adj.精明的，机敏的: having or showing a practical cleverness or judgment
■e.g. He's shrewd about his investments.他是个精明的投资人。
■同: crafty, cunning, devious, sly, subtle, wily, astute, savvy, sharp
■反: foolish, naive, unknowing 愚蠢的，幼稚的
考点2: adj.刺骨的，强烈的: causing intense discomfort to one's skin
■e.g. She pulled her coat tighter against the shrewd breeze whipping down the alley. 巷子里挂着刺骨的风，她拉紧了大衣。
■同: biting, bitter, keen, penetrating, piercing, raw, sharp, stinging
fretful 英 [ˈfretfl] 美 [ˈfretfl] adj. 焦躁的；烦燥的；起波纹的
■拆: fret(烦躁)+ful(adj后缀) -> 烦躁的
考点: adj.易怒的，烦躁的: inclined to be vexed or troubled
■e.g. Adolescence is the most fretful stages of human development青春期是人类发展过程中最恼人的阶段
■同: irritable, fractious, peevish, pettish, petulant
■反: easygoing 随和的
■派: fret v 使烦躁
typo 英 [ˈtaɪpəʊ] 美 [ˈtaɪpoʊ] n. 排印错误；排字工；印刷工
■源: typo是typographer的缩写; 也可以指typographical error的缩写
考点: n.打字错误: an error in typed or typeset material
■e.g. make one typo on the memo 在样张上打错一个字
■同: misprint, bug
crumple 英 [ˈkrʌmpl] 美 [ˈkrʌmpl] vt. 弄皱；使一蹶不振 vi. 起皱；倒坍；一蹶不振 n. 皱纹；褶皱
考点1: v.弄皱: to press, bend, or crush out of shape
■e.g. crumple a piece of paper 弄皱一张纸
■同: rumple, crimple, crease, fold, wrinkle
■反: smooth 使平滑
考点2: v.(因外力挤压而)垮塌: to fall down or in as a result of physical pressure
■e.g. The box crumpled when I accidentally dropped a brick on it我不小心扔了块石头在箱子上，它就倒塌了
■同: collapse, founder, implode, tumble, yield
edifice 英 [ˈedɪfɪs] 美 [ˈedɪfɪs] n. 大厦；大建筑物
■拆: edi(from PIE *aidh: to burn 燃烧)+fic(fac: to make/do)+e -> 燃烧, 火炉后来引申为居住的地方, 大厦
考点1: n.大厦；大建筑物: a large or massive structure
■e.g. The Capitol is one of the most impressive edifices in the United States国会山是美国最令人印象深刻的建筑之一
■同: building, erection, palace
■反: cottage 小棚舍
考点2: n.基础，基本构架: the arrangement of parts that gives something its basic form
■e.g. The edifice of the argument is quite simple, once you get past the fancy language只要你看透了表面花哨的语言，你会发现这段论证的基本构架是非常简单的
■同: architecture, configuration, framework, skeleton, structure