learnern.学习者learnv.学会；学习；得知learn from sb's mistakes从某人的错误中受到教益learn script by the lake临池学书learn from past mistakes从犯过的错误中学习, 吸取教训learn tandem accelerator教学用串列式加速器Learn by trial and error通过反覆试验学习learn a great deal about非常了解learng wirh great effort“发愤著书”learn ... by heart牢牢记住, 用心学learn-leading tcaching学导式教学法learn something by heart谙记；背诵出

1. I tried to learn music but I didn't have my heart in it.
   我学音乐，但我对音乐不感兴趣。