SEV Biblia, Chapter 2:23 Y el rey Salomón juró por el SEÑOR, diciendo: Así me haga Dios y así me añada, que contra su vida ha hablado Adonías esta palabra.
John Gill's Bible Commentary Ver. 23. Then King Solomon sware by the Lord , etc.] To prevent his mother pressing him to have her petition granted: saying, God do so to me, and more also ; lay such and such evils upon me, and more than I care to express: if Adonijah have not spoken this word against his own life ; to his own prejudice, and even to the loss of his life; in which Solomon suggests it would issue, being a fresh overt act of treason; he knew, from what Bathsheba said, that this was his petition, and that he had spoken of this to her, and put her upon making it for him; and who no doubt related to Solomon the whole of the conversation that passed between them, and to which he seems to have some respect in his answer.
Matthew Henry Commentary Verses 12-25 - Solomon received Bathsheba with all the respect that was owing to mother; but let none be asked for that which they ought not to grant It ill becomes a good man to prefer a bad request, or to appear in bad cause. According to eastern customs it was plain that Adonija sought to be king, by his asking for Abishag as his wife, and Solomo could not be safe while he lived. Ambitious, turbulent spirits commonl prepare death for themselves. Many a head has been lost by catching a a crown.
Original Hebrew וישׁבע 7650 המלך 4428 שׁלמה 8010 ביהוה 3068 לאמר 559 כה 3541 יעשׂה 6213 לי אלהים 430 וכה 3541 יוסיף 3254 כי 3588 בנפשׁו 5315 דבר 1696 אדניהו 138 את 853 הדבר 1697 הזה׃ 2088