lessons

例句:

• He started piano lessons at the age of 7.
  他7岁开始上钢琴课。
  来自柯林斯例句
• Even some whole lessons have had an international theme.
  来自BBC
• His lessons take place during the school lunch break.
  来自BBC
• With apologies to my old history teacher, who needs history lessons?
  这话对不住我亲爱的历史老师，不过有谁需要历史课呢？
  
• Too many children are still missing too many lessons.
  来自BBC
• From this chastening experience he learnt some useful lessons.
  从这次惨痛的经历中他得到了一些有益的教训。