翻译：An old dog cannot learn new tricks.

翻译：An old dog cannot learn new tricks. you cannot an old dog new I am an old dog I am an old dog? it is often said thatyou cannot teach an old dog new skill,but是翻全文 an old dog to learn a new 英语翻译It is a thousand times easier to contract a new habit than to get rid of an old one.2.An old dog cannot alter its way of barking AN OLD MAN 翻译 an old restaurant 翻译 I am an old dog.His a lucky dog.She is a lazy dog. 翻译an empty sack cannot stand upright 翻译句子an empty sack cannot upright You can't teach an old dog new tricks.意思 you can never teach an old dog new you can't teach an old dog new tricks. cannot find her dog是什么意思 run an old man down,翻译 翻译 An old man keeps some monkeys