NET
38 But Jesus said to them, “You don’t know what you are asking! Are you able to drink the cup I drink or be baptized with the baptism I experience?”
Darby
38 And Jesus said to them, Ye do not know what ye ask. Are ye able to drink the cup which *I* drink, or be baptised with the baptism that *I* am baptised with?
KJV
38 But Jesus said unto them, “Ye know not what ye ask: can ye drink of the cup that I drink of? and be baptized with the baptism that I am baptized with?”