out of the blue是什么意思?
母语人士的回答
Rebecca
Out of the blue是像一个表达out of nowhere或randomly ,当某物突然发生,其被使用。 Ex: I saw my friend out of the blue while shopping, so we shopped together the rest of the day. (我在购物时碰巧见到一位朋友,所以我们在剩下的时间里一起逛街。) Ex: The weather was sunny today until rain clouds came out of the blue. (今天天气晴朗,直到突然阴天。)