overlearned
adj．过度学习的：指对某个主题或技能学习得过多，以至于可能导致效率降低或其他负面影响。
例句
He thinks some people, especially younger investors, have 'overlearned' the lesson of 2008 and therefore are shying away from the stock market too much.
他认为，一些人(特别是较年轻的投资者)因2008年的教训而矫枉过正，远远避开了股市。
