It is an anonymous letter.

这是一封匿名信.

《简明英汉词典》

The one about the anonymous letter. "

就是那封讲起匿名信的信. ”

汉英文学 - 围城

The president is said to receive an anonymous letter yesterday.

听说总裁昨天收到一封匿名信.

辞典例句

We received an anonymous letter.

我们收到一封匿名信.

辞典例句

Who wrote the letter? I don't know. It was an anonymous letter.

这封信是谁写的? 我不知道. 这是一封匿名信.

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There days after Rastus'disappearance, Mrs. Ramsay received an anonymous letter.

在拉斯图失踪的三天后, 拉姆齐女士收到了一封匿名信.

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I enclose a xerox of the anonymous letter.

兹附上匿名信复印件一份.

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Have you heard about Monsieur Poirot '; s anonymous letter?

“你听说 波洛 收到匿名信了 吗 ?”.

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He was greatly disturbed by the anonymous letter.

匿名信令他极度不安.

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And how was the anonymous letter written?

那封匿名信的笔迹是怎么样的?

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OK, i'll tell you what. It's i who wrote the anonymous letter to the head master.

好, 我告诉你怎么回事, 给校长的那封匿名信是我写的.

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He was scared by the anonymous letter.

这封匿名信使他受到惊吓.

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The president was shocked because he received an anonymous letter which contained some pungent problems.

总统收到了一封匿名信,里面有一些很尖锐的问题,这让他感到很震惊.

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