so-and-so

英 [ˈsəʊ ən səʊ]

美 [ˈsoʊ ən soʊ]

n. (指叫不上名字的人、物，或泛指)某某人(或事物); 恼人的家伙; 讨厌鬼

复数：so-and-sos　

Collins.1

牛津词典

noun

（指叫不上名字的人、物，或泛指）某某人（或事物）
used to refer to a person, thing, etc. when you do not know their name or when you are talking in a general way
1. What would you say to Mrs So-and-so who has called to complain about a noisy neighbour?
  要是哪位太太嫌邻居太吵闹，打电话投诉，你跟她怎么说？
恼人的家伙；讨厌鬼
an annoying or unpleasant person. People sometimes say so-and-so to avoid using an offensive word.
1. He's an ungrateful so-and-so.
  他是个忘恩负义的家伙。

PRON-SING (泛指)某某人，某某事
You useso-and-soinstead of a word, expression, or name when you are talking generally rather than giving a specific example of a particular thing.
1. It would be a case of 'just do so-and-so and here's your cash'...
  就是这样一种情况，“只要干某某事，你就能拿到钱”。
2. If Mrs So-and-so was ill then Mrs So-and-so down the street would go and clean for her.
  如果某某太太病了，那么她的街坊某某太太就会来为她打扫卫生。
N-COUNT 讨厌鬼，笨蛋(用以代替脏字眼)
People sometimes refer to another person as aso-and-sowhen they are annoyed with them or think that they are foolish. People often useso-and-soin order to avoid using a swear word.
1. All her fault, the wicked little so-and-so.
  都是她的错，这个小坏东西。

noun