爷爷 / 常 / 说 / 自己 / 年轻 / 时 / 胸无点墨 / 如今 / 特别 / 后悔 / 没 / 好好 / 读书爷爷常说自己年轻时胸无点墨,如今特别后悔没好好读书。Grandpa often says that when he was young he was illiterate, and now he regrets not studying hard.