"unfamiliar things" is a grammatically correct and usable phrase in written English.
It can be used in various contexts, such as describing new experiences, objects, or concepts that are not well-known or understood. Example: "As a tourist in a foreign country, I was surrounded by unfamiliar things, from the architecture to the language."
"I tell them it's O.K.," she said, explaining her methods of introducing children to unfamiliar things.
"It's where you have characters familiar on the show doing unfamiliar things," Mr. Lyon said.
The high-reactives, among them Baby 19, thrashed and whimpered when exposed to the same unfamiliar things.
I shy away from lots of foods, lots of unfamiliar things, Anything that seems to be foreign to my quite selective palate freaks me out.
Media creates a sensation of realnessso that the audience can suspend their disbelief long enough to provide authentic reactions to the unfamiliar things they are seeing and hearing.
We examined neophobia, defined as the tendency to avoid unfamiliar things, exploration, defined as the number of different ways an individual interacts with an object, and boldness, defined as an individual's tendency to take risks.
But both stars were past their best; the only unfamiliar thing about the film was the Canadian setting.
His ideal has been to capture the moment of pure perception that sometimes comes when one sees an unfamiliar thing for the first time, or a familiar thing with new eyes: Lawrence Weschler borrowed a phrase from Paul Valery for the title of his 1982 biography of Mr. Irwin, "Seeing Is Forgetting the Name of the Thing One Sees" (University of California Press).
Album art or a sort of screen saver monopolize the screen space, which is an unfamiliar thing to me; I don't tend to look at my MP3 player while I'm listening to it, though I certainly have a good reason to now.
It's such an unfamiliar thing.
And I went up and further in, until I was about as uncomfortable and unfamiliar with things as I could be.
