活到老

• Never too old to learn is an idiom
  活到老学到老'是句成语。
• An intelligent animal is able to learn throughout its entire life
  聪明的动物往往能活到老，学到老。
• Her experience lends credence to the adage we live and learn
  她的经验印证了一句格言：活到老,学到老！
• No man is so old but he may learn . （ = no man is too old to learn
  没有人因为太老而不能学（活到老学到老） 。
• My father used to say " you are never too old to learn "
  父亲曾经告诉我“保持谦卑的学习态度，活到老学到老” 。
• It is never too later to learn
  活到老，学到老。
• I had no idea they were related . oh well , you live and learn
  我完全不知道他们是亲戚。哦，呃，活到老学到老吧。
• It is never too late to learn
  活到老，学到老。
• You ' re never too old to learn
  活到老，学到老。
• Lesson 85 never too old to learn
  活到老学到老