lunacyKK [ˋlunəsi] /ˈlunəsi/發音名詞1愚行、荒唐、瘋狂Cutting the safety budget in half is sheer lunacy.把安全預算砍掉一半實在是荒唐至極。2精神失常、精神錯亂舊式In those days, lunacy was grounds for locking someone away.在那個年代,精神失常就足以讓人被關起來。