unlearn

详细解释:vt. 使忘掉, 从脑中扫除掉, 抛掉以前的想法

词型变化：

动词过去式:unlearned,unlearnt过去分词:unlearned,unlearnt现在分词:unlearning第三人称单数:unlearns

英语解释：

动词 unlearn:

try to forget; put out of one's memory or knowledgediscard something previously learnt, like an old habit

例句：

He was not unlearned in history.他对历史并非无知。