Greek

Ἀποκριθεὶς δὲ ὁ Ἰησοῦς εἶπεν Οὐκ οἴδατε τί αἰτεῖσθε δύνασθε πιεῖν τὸ ποτήριον ὃ ἐγὼ μέλλω πίνειν; ⧼ἢ βάπτισμα βαπτίζομαι βαπτισθῆναι⧽? Λέγουσιν αὐτῷ Δυνάμεθα

Transliterated

apokritheis de ho Iēsous eipen Ouk oidate ti aiteisthe dynasthe piein to potērion ho egō mellō pinein ē baptisma baptizomai baptisthēnai legousin autō Dynametha

Literal English

Answering however - Jesus said Not understand you Which you ask Are you able to drink the a cup that which I am about to drink?” and [a] baptism am baptized to be baptized [with]? They say to Him We are able
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