爷爷: (coll.) father's father, paternal grandfather...
进来: to come in...
无话可说: to have nothing to say (idiom)...
梦见: to dream about (sth or sb), to see in a dream...
在职: to be employed, to be in post, on-the-job...
杀害: to murder...
递交: to present, to give, to hand over, to hand in, to lay before...
遗传: heredity, to inherit (a trait), to pass on (to one's offspring)...
时代: age, era, epoch, period (in one's life)...
伤感: sad, emotional, sentimental, pathos...
