Acts 7:54

New English Translation

⁵⁴When they heard these things, they became furious^[a] and ground their teeth^[b] at him.

Acts 7:54 tn This verb, which also occurs in Acts 5:33, means “cut to the quick” or “deeply infuriated” (BDAG 235 s.v. διαπρίω).
Acts 7:54 tn Or “they gnashed their teeth.” This idiom is a picture of violent rage (BDAG 184 s.v. βρύχω). See also Ps 35:16.

New English Translation (NET)