“And the LORD did so; and there came a grievous swarm of flies into the house of Pharaoh, and into his servants' houses, and into all the land of Egypt: the land was corrupted by reason of the swarm of flies.”
Bible
“Finally, my brethren, rejoice in the Lord. To write the same things to you, to me indeed is not grievous, but for you it is safe.”
“For thus saith the LORD, Thy bruise is incurable, and thy wound is grievous.”
“For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock.”
“Certainly an Apostle has come to you from among yourselves; grievous to him is your falling into distress, excessively solicitous respecting you; to the believers (he is) compassionate, / But if they turn back, say: Allah is sufficient for me, there is no god but He; on Him do I rely, and He is the Lord of mighty power.”
quran
“And the thing was very grievous in Abraham's sight because of his son.”
“It is grievous to read the papers in most respects, I agree. More and more I skim the headlines only, for one can be sure what is carried beneath them quite automatically, if one has long been a reader of the press journalism.”
Mary Ritter Beard