whereupon /ˌwɛərəˈpɒn/

• 1. 

  CONJ You use whereupon to say that one thing happens immediately after another thing, and usually as a result of it. 于是 (表示某事紧接着另一件事之后发生，通常为结果) [正式]

  例：

  Mr. Jones refused to talk to them except in the company of his legal colleagues, whereupon the police officers departed.

  琼斯先生拒绝在没有法律界同事们的陪同下和他们谈话，于是警官们离开了。