不发音，grandfather的读音不带“d”，读音：英['ɡrnfɑ(r)]，美['ɡrnfɑr]。grandfather意思是(外)祖父，例句My grandfather used to smoke a pipe.我祖父过去吸烟斗。
My grandfather lost his life in the war.
Her grandfather had worked his passage to America.
I can still vividly remember my grandfather teaching me to play cards.
His second name is Willem, after his grandfather.
I have a vivid picture of my grandfather smiling down at me when I was very small.