And when they heard that he spake in the Hebrew tongue
them (See Gill on Acts 21:40).
they kept the more silence;
it being their mother tongue, and which they best understood; and which the captain and the Roman soldiers might not so well under stand; and chiefly because the Hellenistic language was not so agreeable to them, nor the Hellenistic Jews, who spoke the Greek language, and used the Greek version of the Bible; and such an one they took Paul to be, besides his being a Christian; wherefore when they heard him speak in the Hebrew tongue, it conciliated their minds more to him, at least engaged their attention the more to what he was about to say:
and he saith;
the Syriac and Ethiopic versions add, "to them", as follows.