Adverb
sad to say
Sadly; unfortunately.
Sad to say, I can’t remember anything else about him. Only that voice, whispering in my ear.
I'm sad to say that stardom is a commodity in our culture. Christine Baranski
It's sad to say but agriculture remains to be a poor man's sector. Despite being a huge asset to national development, agriculture has been the most neglected and least understood sector of the nation's economy. Francis Escudero