I have made a man unseen, by surrounding him with air of a certain sort.

In a certain sort of way, weeds deserve some respect.

And a certain sort of peace came upon the faces of those who looked.

If he was a certain sort of man, it would not have been so very soft.

Along with this went a certain sort of general mysticism.

I presume, however, that it involved information of a certain sort.

But only a certain sort of European was welcome here in the seventh century.

"There's a certain sort of sense in that," I agreed.

Again, he had given advice of a certain sort.

And there was a certain sort of nasty logic to it.