手指的英语单词是 "finger"。来源是来自古英语 "fingre"，最初是由拉丁语 "digitus"，意思是"手指"而来。
例句：
"She broke her finger while playing soccer."（她在踢足球时手指断了）
"He had to use his left hand because his right hand's fingers were sore."（他不得不用左手因为他右手的手指痛）
"She counted the money by running her fingers through the bills."（她用手指把钞票摸过去数钱）