翻译:An old dog cannot learn new tricks.
翻译:An old dog cannot learn new tricks.
a dog is never too old to learn new tricks
You can't teach an old dog new tricks.
"You can't teach an old dog new tricks."意思
an old dog to learn a new
急you can't teach an old dog new tricks的英语情景对话
you can never teach an old dog new
I am an old dog
AN OLD MAN 翻译
an old restaurant 翻译
翻译an empty sack cannot stand upright
I am an old dog.His a lucky dog.She is a lazy dog.