'Affliction' in the Bible

But Jesus said to them, “You do not know what you are asking. Are you able to drink the cup that I drink, or to be baptized with the baptism [of suffering and death] with which I am baptized?”

for at that time there will be such tribulation as has not occurred, from the beginning of the creation which God made, until now—and never will [be again].

“But in those days, after [the suffering and distress of] that tribulation, the sun will be darkened, and the moon will not give its light,