a little learning is a dangerous thing一知半解,为害不浅
谚语A little learning is a dangerous thing指一知半解,为害不浅。人们不能怀有骄傲的心,自认为所知甚多。这一表达出自亚历山大·蒲柏(Alexander Pope)的《论批评》(An Essay on Criticism ,1711):
A little learning is a dang’rous thing;
Drink deep, or taste not the Pierian spring.
学识浅薄是一件危险的事情;
派利亚泉水要豪饮,不可浅尝。