grandfathern.(外)祖父v.使…不受新法律制约grandfather-clause[法] 不追溯条款, 祖父条款grandfatherd equipment存档设备, 原始设备grandfathered activities不追溯业务Grandfather was snoring.祖父在打呼噜。grandfather of civilization人文始祖Grandfather died of illness.祖父病死了。Grandfather is in his anecdotage爷爷年老话多，爱谈往事。Grandfather willed me his watch.祖父在遗嘱中把表留给了我。Grandfather is in his anecdotage.爷爷年老话多，爱谈往事。Grandfather can read without spectacles.爷爷不戴眼镜也能看书。