A chip is a small piece of something, like a chip of wood. How did this chip get on a person's shoulder? Well, experts say the expression appears to have been first used in the United States more than one hundred years ago.Chip是指一些东西的碎屑,例如木头碎屑.碎屑怎么会跑到人的肩膀上去呢?专家表示,这种说法似乎在100多年前首次在美国应用.
____________________________________________________
