在英式英语中，如果你不知道收信人的姓名，通常以'Yours faithfully'结束正式信函。

In British English, it is customary to end a formal letter with ___Yours ___faithfully if you don't know the recipient's name.

在陈述我的请求后，我以'Yours faithfully'和我的全名签名结束。

After stating my request, I signed off with ___Yours ___faithfully and my full name.

当写信给政府办公室时，我总是以'Yours faithfully'结束以保持正式性。

When writing to a government office, I always close with ___Yours ___faithfully to maintain formality.