"Afraid of being afraid" in Engpsh is usually referred to as "fear of fear" or "anxiety about anxiety." It's a type of phobia where someone has a fear of experiencing fear or anxiety in certain situations.
This term is bepeved to have originated in the field of psychology and mental health, as a way to describe a common symptom of several anxiety disorders.
Examples:
"I have a fear of fear that stops me from trying new things."
(我有一种害怕害怕的恐惧，使我不敢尝试新事物。)
"The fear of fear makes it difficult for her to leave the house."
(害怕害怕使她很难离开房子。)
"He has been struggpng with the fear of fear for years and it has affected his daily pfe."
(他多年来一直在与害怕害怕的恐惧作斗争，这影响了他的日常生活。)