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Assiduous Adj Insidious(阴险的 ə'Sidjuəs A.勤勉的;专心的 英 勤勉的(Diligent Persevering

单词 assiduous
音标 [ə'sidjuəs]
解释 a.勤勉的;专心的
红宝书 【英】 adj. 勤勉的(diligent; persevering)
【考】 反义词:remiss(玩忽 职守的);desultory( 散漫的)
【记】 as+sid (坐)+uous→坐得多的 →勤勉的
【同】 派生词: assiduity (n. 勤勉)同根词:preside(主 持); insidious(阴险的)
字源 assiduous (adj.)
1530s, from Latin assiduus "attending; continually present, incessant; busy; constant," from assidere "to sit down to," thus "constantly occupied" at one's work; from ad "to" (see ad-) + sedere "to sit" (see sedentary). The word acquired a taint of "servility" in 18c. Related: Assiduously; assiduousness.
不择手段背单词 adj. 勤勉的 = diligent = persevering = industrious = sedulous; 专心的
【例】an assiduous worker 一个勤奋的工人
【记】as一再, sid坐, uous形容词后缀表示多-坐得多的-勤勉的
【参】assiduity(n 勤勉); preside(v 主持); insidious(adj 阴险的)
【类】rakish: restraint = slothful: assiduity放荡的缺乏抑制 = 偷懒的缺乏刻苦assiduity: careless = probity: dishonest勤劳不是粗心的 = 正直的不是不诚实的
【反】remiss(adj 玩忽职守的); desultory(adj 散漫的); slipshod(adj 漫不经心的);
趣味全助记 【记】sid-坐,president(总统,坐在最前面的人);consider 考虑,是con一起 + sider 坐 →坐在一起→考虑
【相关】preside(主持), reside(居住),subside(下沉,沉淀,平息), insidious(阴险的) consider

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