我们可以猜一猜这封信的作者是谁。

We can guess the writer of the letter.

youdao

这位牙科保健师至今不知道这封信是谁写的。杰德真想不到，为什么会有人做这么卑鄙的事。 。

Thee dental hygienist still doesn't know who was responsible for the letter. Jade can't think why anybody would feel the need to be so nasty.

youdao

这位牙科保健师至今不知道这封信是谁写的。杰德真想不到，为什么会有人做这么卑鄙的事。

The dental hygienist still doesn't know who was responsible for the letter. Jade can't think why anybody would feel the need to be so nasty.

youdao

我刚刚收到这封信。甚至不知道是谁写的。

I've only just received it. I don't even know who it's from.

youdao

不过每一封邮件都只能用英文写，并且必须在信的标题上说明这封信是谁写的，否者你写的信将会直接被删除或者不会被阅读。

Any email must be written in English only... and must have a subject heading which indicates who the message is from otherwise it will be deleted and not read.

youdao

查出是谁写这封信的并没费什么劲儿。

It wasn't hard to ferret out who wrote the letter.

youdao

那个家伙是谁写的这封信发电子邮件给我。

The guy who wrote the letter emailed me.

youdao

那个家伙是谁写的这封信发电子邮件给我。

The guy who wrote the letter emailed me.

youdao