anonymous
adjective uk/əˈnɒn.ɪ.məs/ us/əˈnɑː.nə.məs/
C2 匿名的；不知姓名的；名字不公开的
made or done by someone whose name is not known or not made public
The money was donated by an anonymous benefactor. 这笔钱来自一位不愿透露姓名的捐赠者。
Police said an anonymous caller warned that a bomb was about to go off. 警方说有人打来匿名电话，警告一枚炸弹即将爆炸。
An attempt to implant an embryo using an egg from an anonymous woman donor was unsuccessful. 用一位匿名女性捐献的卵子来植入胚胎的尝试未获成功。
He received an anonymous letter threatening to disclose details of his affair if he didn't pay the money. 他收到一封匿名信，威胁说如果他不付钱，就把他的风流韵事都抖搂出来。
For reasons of personal safety, the informant wishes to remain anonymous. 为了自身安全，举报人不希望透露姓名。
无特色的，无个性特征的
having no unusual or interesting features
He has a rather anonymous face. 他相貌平平。
- More examples
- An anonymous letter alerted police to the possibility of a terrorist attack at the airport.
- An anonymous businesswoman donated one million dollars to the charity.
- Thanks to a large gift from an anonymous donor, the charity was able to continue its work.
- After years of research, scholars have finally ascribed this anonymous play to Christopher Marlowe.
- An anonymous tipster has leaked confidential government information to the press.