当你光着脚，而你的朋友却称赞你穿着新买的鳄鱼皮鞋时，你该知道你老了。

You know that you are old when friends compliment you on your new alligator shoes when you are barefoot.

当你光着脚，而你的朋友却称赞你穿着新买的鳄鱼皮鞋的时候，你该知道你老了。

You know that you're old when friends compliment you on your new alligator shoes when you're barefoot.