Read Matthew 20:22 Using Other Translations
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.
Jesus answered, "You do not know what you are asking. Are you able to drink the cup that I am to drink?" They said to him, "We are able."
But Jesus answered by saying to them, “You don’t know what you are asking! Are you able to drink from the bitter cup of suffering I am about to drink?” “Oh yes,” they replied, “we are able!”