fast 是形容词或副词。“快的 ；快地” 如 This is a fast train (形容词)He runs fast. (副词)hurry 是动词或名词。“匆忙”如 He hurried into the room. (动词) He ran out in a hurry (名词)从词义上讲，hurry 更接近于quickly，强调不磨蹭。fast 更强调速度快。
水利万物而不争,
而万物莫能与之争。
