fear of the unknown (fear of the unknown)

Idiom Fear

意味

anxiety about things that are unfamiliar or uncertain

未知や不確かなことへの不安 (michi ya fukakuna koto e no fuan)

例文

"Many people avoid change because of their fear of the unknown."

"多くの人々は未知の恐れのために変化を避けます。" (ōku no hitobito wa michi no osore no tame ni henka o sake masu)