externalize
verb [ T ] psychology specialized (UK usually externalise) uk/ɪkˈstɜː.nəl.aɪz/ us/ɪkˈstɝː.nəl.aɪz/
表露，表达（尤指不愉快的情绪）
to express feelings, especially bad feelings, such as anger
You have to learn to externalize your anger. 你得学会把愤怒发泄出来。