前缀an-, 无，没有。词根onym, 名字，见name.

1. He was surprised by the venomous tone of the anonymous calls.

那些匿名电话的恶毒语气很令他吃惊。

2. She's got too much dignity to descend to writing anonymous letters.

她是个自尊心很强的人，绝不会自贬身份去写匿名信。

3. Of course, that would have to be by anonymous vote.

当然，那必须通过不记名投票的方式。

4. An anonymous benefactor stepped in to provide the prize money.

一个匿名捐助者施以援手提供了奖金。

5. An anonymous caller told police what had happened.

有人打匿名电话向警方报告了所发生的事。