King James Version
But Jesus answered and said, Ye know not what ye ask. Are ye able to drink of the cup that I shall drink of, and to be baptized with the baptism that I am baptized with? They say unto him, We are able.New International Version
"You don't know what you are asking," Jesus said to them. "Can you drink the cup I am going to drink?We can," they answered.Catholic Public Domain Version
But Jesus, responding, said: "You do not know what you are asking. Are you able to drink from the chalice, from which I will drink?" They said to him, "We are able.