unnamed

Compared meaning: identity not stated or not known (adjective).

比较义项：身份不明或未被公开（形容词）。

• anonymous

  Describes someone or something whose name is deliberately withheld or simply never given, often by personal choice; common with donors, letters, tips, and authors who wish to stay unknown.

  指某人或某物的姓名被故意隐瞒或根本没有透露，通常出于本人意愿；常用于捐赠者、信件、爆料人和不愿透露身份的作者。

  He left an anonymous donation so no one would know his name.

  他留下一笔匿名捐款，这样就没人会知道他的名字。

• unidentified

  Describes a person, body, or object whose identity has not yet been established or officially confirmed, typically because investigators or authorities have not determined who or what it is.

  指某人、某具遗体或某个物体的身份尚未查明或未经官方确认，通常是因为调查人员或当局还不知道那是谁或那是什么。

  An unidentified body was found in the river, and police are trying to determine who it was.

  河里发现了一具身份不明的尸体，警方正在设法查明死者是谁。

• unnamed 本词

  Describes a person (often a source or official) or entity whose name is left out of a report or statement, even though the writer may actually know who it is.

  指某人（常是消息来源或官员）或某个实体的姓名在报道或声明中被省略，尽管撰写者其实可能知道对方是谁。

  According to an unnamed official, the meeting was postponed until next week.

  据一位未透露姓名的官员称，会议被推迟到了下周。

Anonymous, unidentified, and unnamed mean identity not stated. Anonymous: name hidden on purpose or never given. Unidentified: identity not yet confirmed, often by investigators. Unnamed: name left out of a report, even if the writer knows it. Not compared: unnamed's 'not yet named' sense.

这三个词都表示“身份没有被说明或确认”，但侧重点不同：anonymous 强调姓名被本人故意隐瞒或根本没有透露；unidentified 强调身份尚未被查明或官方确认；unnamed 强调姓名在报道或陈述中被省略，即使作者本人其实知道对方是谁。这里不涉及 unnamed 表示“尚未取名”这一相关但不同语境下的用法。