Good News Translation
Then Menelaus secretly persuaded Andronicus to kill Onias. So Andronicus went to Onias and deceived him with a friendly greeting and with promises of safety. Although Onias was suspicious, Andronicus finally lured him away from the safety of the temple and immediately murdered him in cold blood.

New Revised Standard Version
Therefore Menelaus, taking Andronicus aside, urged him to kill Onias. Andronicus came to Onias, and resorting to treachery, offered him sworn pledges and gave him his right hand; he persuaded him, though still suspicious, to come out from the place of sanctuary; then, with no regard for justice, he immediately put him out of the way.

Contemporary English Version
Shortly after this, Menelaus met privately with Andronicus and persuaded him to kill Onias. So Andronicus went to the temple and warmly greeted Onias. Then he lied to Onias by shaking his right hand and promising to treat him with kindness. Onias didn't really trust Andronicus, but Andronicus talked him into leaving his place of safety in the temple. Then without any regard for the Law, Andronicus murdered him on the spot.

New American Bible
Thereupon Menelaus approached Andronicus privately and urged him to seize Onias. So Andronicus went to Onias, treacherously reassuring him by offering his right hand in oath, and persuaded him, in spite of his suspicions, to leave the sanctuary. Then, with no regard for justice, he immediately put him to death.

Douay-Rheims Bible
Whereupon Menelaus coming to Andronicus, desired him to kill Onias. And he went to Onias, and gave him his right hand with an oath, and (though he were suspected by him) persuaded him to come forth out of the sanctuary, and immediately slew him, without any regard to justice.

Whereupon Menelaus coming to Andronicus, desired him to kill Onias. And he went to Onias, and gave him his right hand with an oath, and (though he were suspected by him) persuaded him to come forth out of the sanctuary, and immediately slew him, without any regard to justice.

2 Maccabees 4:32
Then Menelaus supposing that he had found a convenient time, having stolen certain vessels of gold out of the temple, gave them to Andronicus, and others he had sold at Tyre, and in the neighbouring cities:

2 Maccabees 4:33
Which when Onias understood most certainly, he reproved him, keeping himself in a safe place at Antioch, beside Daphne.

2 Maccabees 4:35
For which cause not only the Jews, but also the other nations, conceived indignation, and were much grieved for the unjust murder of so great a man.

2 Maccabees 4:36
And when the king was come back from the places of Cilicia, the Jews that were at Antioch, and also the Greeks, went to him: complaining of the unjust murder of Onias.