"Never normal again" is an idiomatic phrase that is used to describe a situation or event that has permanently changed or affected someone or something in a negative way. It is often used in the context of a traumatic event, such as a natural disaster, a war, or a personal tragedy.
The phrase is not a common phrase, it is more pke a idiomatic phrase that is used in a certain context.
Examples:
The earthquake left the town never normal again. (地震让镇子再也不正常了)
After the accident, he was never normal again. (事故后他再也不正常了)
She would never be normal again after losing her child. (失去了孩子后她再也不正常了)