Question

folly n.愚蠢；愚蠢的行为，思想或做法 folly (n.) early 13c., "mental weakness; unwise conduct" (in Middle English including wickedness, lewdness, madness), from Old French folie (12c.) "folly, madness, stupidity," from fol (see fool (n.)). Sense of "costly structure considered to have shown folly in the builder" is attested from 1650s. Used since Middle English of place names, especially country estates, as a form of Old French folie in its meaning "delight." Meaning "glamorous theatrical revue with lots of pretty girls" is from 1880, from French. 【记】源自fool，foolish

Accepted Answer

['fɔli] 【英】 n. 愚蠢(lack of wisdom)【考】 反义词：sagacity(睿 智) n. 愚蠢 = silliness; 费力不讨好的事【记】fool(n 白痴; 受骗者)【反】sagacity(n 聪明; 睿智)

单词	folly
音标	['fɔli]
解释	n.愚蠢；愚蠢的行为，思想或做法
红宝书	【英】 n. 愚蠢(lack of wisdom) 【考】反义词：sagacity(睿智)
字源	folly (n.) early 13c., "mental weakness; unwise conduct" (in Middle English including wickedness, lewdness, madness), from Old French folie (12c.) "folly, madness, stupidity," from fol (see fool (n.)). Sense of "costly structure considered to have shown folly in the builder" is attested from 1650s. Used since Middle English of place names, especially country estates, as a form of Old French folie in its meaning "delight." Meaning "glamorous theatrical revue with lots of pretty girls" is from 1880, from French.
不择手段背单词	n. 愚蠢 = silliness; 费力不讨好的事【记】fool(n 白痴; 受骗者) 【反】sagacity(n 聪明; 睿智)
趣味全助记	【记】源自fool，foolish

Folly N Middle English French Folie Meaning Fɔli