Acts 25:3

asking a favor against him, that he would send for him to Jerusalem; laying a plot to kill him on the way.

asking for a favor against Paul, that Festus summon him to Jerusalem. They were, in fact, preparing an ambush along the road to kill him.

asking as a favor against Paul that he summon him to Jerusalem—because they were planning an ambush to kill him on the way.

requesting a concession against Paul, that he might have him brought to Jerusalem ( at the same time, setting an ambush to kill him on the way).

They requested Festus, as a favor to them, to have Paul transferred to Jerusalem, for they were preparing an ambush to kill him along the way.

asking a favor against him, that he would summon him to Jerusalem—while they lay in ambush along the road to kill him.

They asked Festus as a favor to transfer Paul to Jerusalem (planning to ambush and kill him on the way).

asking a favor against him, that he would summon him to Jerusalem, plotting to kill him on the way.