/ɪˈpɪf.ən.i/

a moment when you suddenly feel that you understand, or suddenly become conscious of, something that is very important to you

//…Isaac Newton’s epiphany about gravity and a falling apple.
艾萨克·牛顿关于地心引力和苹果落地的顿悟

Seeing her father again when she was an adult was an epiphany that changed her whole view of her childhood.
长大后再见到父亲的那一刻,她顿时醒悟,完全改变了对自己童年的看法。
She experienced an epiphany.
她茅塞顿开。
In other words, an epiphany occurs where the words and music ‘speak to you’, becoming something more than the sum of their parts.