The phrase "please pardon our dust" is correct and can be used in written English. It is used to politely ask someone for their understanding of a temporary mess or inconvenience during a period of transition or construction. For example: "We apologize for the mess and inconvenience in our store while we renovate - please pardon our dust!".
So we will soon, please pardon our dust, dirt, and other assorted inconveniences.
Please pardon our Moon dust!" Bungie wrote.
Between shelves of over-the-counter medications and a Ben & Jerry's ice cream cart, a sign hangs on a moldering column: "Please Pardon Our Appearance," it reads.
Next to this bomb site sat an expensive, pseudo-historic sign that read, "Please Pardon Our Restoration".
"Please excuse our dust: We are currently building a new Watergate gallery," says a small sign at the museum, which drew 95,000 visitors last year.
Then there are houses split down the middle yet still functioning, appliances in the desert used as shooting targets, and dilapidated signs that say "Pardon Our Dust" and "Together We Make Dreams Come True".
Pardon our dust as we build.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK