I sympathize with you. 我对您深表同情!
Thank you for your concern
What a pity we've lost such a great man!我们为失去这么好得人而感到遗憾！
Yes, indeed. 确实是这样。
I'm going to miss my grandpa. 我很怀念我的爷爷
I know how you feel
My father is in the hospital now
That's too bad. 太不幸了
Try not to get depressed. 别太消沉了
I can't help it. 我无法控制自己
It was terrible this time, wasn't it? 这次很麻烦. 是吧?
It sure was
My mother died when I was ten
I'm so sorry. 那太不幸了
What a shame
I couldn't pass the test
Never mind. 没关系/别太在意