[12:15] 1 sn “You’ve lost your mind!” Such a response to the miraculous is not unusual in Luke-Acts. See Luke 24:11; Acts 26:25. The term μαίνομαι (mainomai) can have the idea of being “raving mad” or “totally irrational” (BDAG 610 s.v.). It is a strong expression.
[12:15] 2 tn Grk “she kept insisting that the situation was thus” (cf. BDAG 422 s.v. ἔχω 10.a). Most translations supply a less awkward English phrase like “it was so”; the force of her insistence, however, is that “it was Peter,” which was the point under dispute.
[12:15] 3 tn The two imperfect tense verbs, διϊσχυρίζετο (diiscurizeto) and ἔλεγον (elegon), are both taken iteratively. The picture is thus virtually a shouting match between Rhoda and the rest of the believers.
[12:15] 4 sn The assumption made by those inside, “It is his angel,” seems to allude to the idea of an attending angel (cf. Gen 48:16 LXX; Matt 18:10; Test. Jacob 1:10).