Jane Doe

1. N-COUNT Jane Doe is used to refer to a woman whose real name is not known or cannot be revealed, for example, for legal reasons. 某女; 用来称呼由于法律等原因不能公布真实姓名的女性[美国英语]

The patient, referred to in the indictment as "Jane Doe," knew of Mr. Weill's secret plan. 在指控中被称为“某女”的这位病人，知晓威尔先生的秘密计划。