'Cup of' in the Bible
And whosoever shall give to drink unto one of these little ones a cup of cold water only in the name of a disciple, verily I say unto you, he shall in no wise lose his reward.
But Jesus answered and said, You know not what you ask. Can you drink of the cup of which I am about to drink? They said to him, We can.
Then fill up to the brim the cup of your forefathers' guilt!
He also took the cup of wine and gave thanks; then He gave it to them, saying, "All of you drink some of it,
He [then] went away a second time and prayed, "My Father, if this [cup of suffering] cannot pass away unless I drink it [i.e., experience the suffering], [then] let what You want be done."