out of the blue 汉语意思： 突然地、出人意料地 （事情）毫无预兆地发生 （像晴天霹雳般）突如其来 例句： Out of the blue, she received a job offer from a foreign company. 毫无预兆地，她收到了一家外企的工作邀约。 He called me out of the blue after ten years of no contact. 断了十年联系后，他突然给我打了电话。