I had a nagging feeling that the atmosphere resembled somebody and, now that you mention it, yes, you're right. Certainly ZZ TOP had this kind of feel.
路面電車は今では確かに時代遅れかもしれない。
The streetcar is now certainly out of date.
本をなくした、というかどこかに置いてきたというのは確かですか。
Are you certain that you lost your book, or did you merely misplace it?
物価が上がるのは確かだ。
It is certain that prices will go up.
部屋を出るときは、明かりを消したかどうか確かめて下さい。
When you leave the room, please make sure you turn off the lights.