6 Grk “And they.” The conjunction καί (kai, “and”) has not been translated here in keeping with the tendency of contemporary English style to use shorter sentences.
7 The words “again and again” are implied by the (iterative) imperfect verb ἤρχοντο (ērchonto).
8 Or “Long live the King of the Jews!” The greeting used by the soldiers, “Hail, King of the Jews!“, is a mockery based on the standard salutation for the Roman emperor, “Ave, Caesar!” (“Hail to Caesar!”).
9 The word “repeatedly” is implied by the (iterative) imperfect verb ἐδιδοσαν (edidosan).

In other versions

They came up to him, saying, “Hail, King of the Jews!” and struck him with their hands.

and went up to him again and again, saying, “Hail, king of the Jews!” And they slapped him in the face.

And they kept coming up to him and saying, “Hail, king of the Jews!” and were slapping his face.

“Hail! King of the Jews!” they mocked, as they slapped him across the face.

and were coming up to him and saying, “Hail, king of the Jews!” and were giving him slaps in the face.

And said, Hail, King of the Jews! and they smote him with their hands.

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