an old dog to learn a new

an old dog to learn a new a dog is never too old to learn new tricks 翻译：An old dog cannot learn new tricks. You can't teach an old dog new tricks. "You can't teach an old dog new tricks."意思 you can never teach an old dog new 初一英语阅读题An old man went to see a doctor.The doctor was new an I am an old dog.His a lucky dog.She is a lazy dog. 英语翻译1Trust not a new friend nor an old enemy.2to a crazy shi Look!She__(wear)an old skirt.She wants to buy a new one. 英语翻译The key to effectively advertising a new use for an old Tom was an eight-year-old boy.He come to a new town with his