also: カルチャー・ショック
culture shock
Refers to the disorientation felt when experiencing an unfamiliar culture. Used in everyday conversation and writing.
When I first came to Japan, I experienced culture shock.
When I lived abroad for the first time, I experienced culture shock from the differences in food culture.
I felt culture shock at how crowded rush hour was in Japan.
After a few months, I was finally able to overcome my culture shock.