I sympathize with you. 我对您深表同情! What a pity we've lost such a great man! 我们为失去一个这么好的人而感到遗憾! I'm going to miss my grandpa. 我很怀念我的爷爷。 That's too bad. 太不幸了。 Try not to get depressed. 别太消沉了。 It was terrible this time, wasn't it? 这次很麻烦,对吧? I'm so sorry. 我太难过了!