I was very sad indeed to hear of your father's death.

听到令尊大人去世，我感到非常难过。

《牛津词典》

I was very sad indeed to hear about it.

我听到这件事，确实非常难过。

youdao

I'm very sad indeed.

我真的非常难过。

youdao

That's a Child Main Nutrition data and It's very sad indeed.

那个数据是关于儿童营养的,确实很悲惨。

普林斯顿公开课 - 国际座谈会课程节选

First Minister Alex Salmond said he was "very sad indeed" to hear of Mr Wyllie's death.

BBC: Scottish artist George Wyllie dies aged 90

That is very sad indeed - how could it be otherwise?

BBC: Cullen parts company with Wolves

Sad indeed for fans, actors and producers, but the Facebook page itself seems to brim with hope for the same reasons the YouTube channels do: community is the future of television.

FORBES: 5 Things TV Execs Should Learn From ShayCarl, Natalie Tran And Save SGU