unlearn /ʌnˈlɜːn/ ( unlearning, unlearned, unlearns )

BRIT also unlearnt

• 1. 

  V-T If you unlearn something that you have learned, you try to forget it or ignore it, often because it is wrong or it is having a bad influence on you. 试图忘记(错误知识、坏的影响)

  例：

  They learn new roles and unlearn old ones.

  他们学习新的角色，试图忘记旧的。