by promoting customs that are unlawful for us Romans to adopt or practice.”
Berean Standard Bible (BSB)
and set forth customs which it is not lawful for us to accept or to observe, being Romans.”
World English Bible (WEB)
And{G2532} teach{G2605}{(G5719)} customs{G1485}, which{G3739} are{G1832} not{G3756} lawful{G1832}{(G5748)} for us{G2254} to receive{G3858}{(G5738)}, neither{G3761} to observe{G4160}{(G5721)}, being{G5607}{(G5752)} Romans{G4514}.
Strong's King James
(21) Proclaiming customs which aren't lawful for us to accept nor observe being Romans."
The F.O.G
The F.O.G Message
and they proclaim customs that are not lawful for us to receive nor to do, being Romans.’
Young's Literal Translation