Acts 23:2 New English Translation

²At that^[a] the high priest Ananias ordered those standing near^[b] Paul^[c] to strike^[d] him on the mouth.

Acts 23:2 tn Grk “and” (δέ, de); the phrase “at that” has been used in the translation to clarify the cause and effect relationship.
Acts 23:2 tn BDAG 778 s.v. παρίστημι/παριστάνω 2.b.α has “οἱ παρεστῶτες αὐτῷ those standing near him Ac 23:2.”
Acts 23:2 tn Grk “him”; the referent (Paul) has been specified in the translation for clarity.
Acts 23:2 tn Or “hit” (“strike” maintains the wordplay with the following verse). The action was probably designed to indicate a rejection of Paul’s claim to a clear conscience in the previous verse.

New English Translation (NET)