DEFINITION定义:Having no effect;without changing one’s feelings or opinions不起作用;未能改变某人的感情或意见 ILLUSTRATED SENTENCES例句: 1.Rumours rolled off Simpson like water off a duck’s back.辛普森对风言风语无动于衷。 2. In spite of the fact that people continually expressed their disapproval of his conduct, it was like water offa duck’s back.尽管别人不断对他的表现表示不赞同,可他对此置之不理。 DEFINITION definition: Having no effect;without changing one’s feelings or opinions does not work; fails to change someone’s feelings or opinions ILLUSTRATED SENTENCES Example sentences: 1.Rumours rolled off Simpson like water off a duck’s back. Simpson is indifferent to the wind. 2. In spite of the fact that people are expressing their disapproval of his conduct, it was like water offa duck’s back. Although others constantly disagree with his performance, he ignored it.