爷爷的腰间常系着一串钥匙,走路时发出“叮叮当当”的声音。在这一串钥匙中,最吸引我的是那把破旧的小钥匙。那天,我好奇地问爷爷:“这把钥匙这么破旧,它是开什么锁的?您怎么总是挂着呢?”爷爷摸着我的头,慈祥地说:“书霆啊,那时候你还没出生,你爸爸也就只有你这么大,我们家的日子很苦,住的是瓦片房。当时的门,配的是 Grandfather's waist often tied with a bunch of keys, walking issued ”rattles“ sound. Among the keys to the bunch, the one that drew me the most is the dilapidated little key. That day, I asked Grandpa curiously: ”This key is so old, it is open what lock? How do you always hang it?“ Grandpa touched my head, kindly said: ”Book Ting, ah, that When you are not born, your father is only you so big, our family's life is bitter, living in the tile room. At that time the door, with the