Greek

Καὶ εἰσελθόντος αὐτοῦ εἰς οἶκον οἱ μαθηταὶ κατ’ ἰδίαν ἐπηρώτων αὐτόν Ὅτι ἡμεῖς οὐκ ἠδυνήθημεν ἐκβαλεῖν αὐτό;

Transliterated

kai eiselthontos autou eis oikon hoi mathētai kat’ idian epērōtōn auton Hoti hēmeis ouk ēdynēthēmen ekbalein auto

Literal English

And having entered of Him’” for house - disciples With private were asking Him Why we not were able to cast out it?
Bible Hub

Definitions