If you say that a particular action or way of behaving is folly or a folly, you mean that it is foolish.
例句
It's sheer folly to build nuclear power stations in a country that has dozens of earthquakes every year.在每年會發(fā)生幾十次地震的國家建造核電站簡直就是愚蠢至極。...a reminder of the follies of war.提醒人們戰(zhàn)爭之愚蠢的東西
N-COUNT
(尤指舊時英國花園等中的)裝飾性建筑
A folly is a small tower or other unusual building that is built as a decoration in a large garden or park, especially in Britain in former times.
英漢詞典釋義
n.
愚蠢;蠢笨;愚蠢的行為、思想或做法
Events proved the folly of such calculations.事情的進展證明了這種估計是愚蠢的。He always sounds in folly.他總是表現(xiàn)出一副愚蠢的樣子。He has given up youthful follies.他不再做年輕人的荒唐事了。I was betrayed into folly.我受蒙騙而做蠢事。