Nehemiah 4:7 (BSB)

When Sanballat and Tobiah, together with the Arabs, Ammonites, and Ashdodites, heard that the repair to the walls of Jerusalem was progressing and that the gaps were being closed, they were furious,

From Nehemiah 4. Also in the ESV.

Commentary on Nehemiah 4:7

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Nehemiah 4:7-15: We have here, I. The conspiracy which the Jews' enemies formed against them, to stay the building by slaying the builders. The conspirators were not only Sanballat and Tobiah, but other neighbouring people whom they had drawn into the plot.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Nehemiah 4:7: And it came to pass that when Sanballat, and Tobiah, and the Arabians,.... Who were under and influenced by Geshem the Arabian: and the Ammonites; over whom Tobiah was governor: and the Ashdodites; who were of Ashdod or Azotus, one of the principalities of the Philistines, who were always enemies to the Jews: heard that the walls of Jerusalem were made up; or "the length...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Nehemiah 4:7-23: HE SETS A WATCH. (Neh. 4:7-23) But . . . when Sanballat . . . heard that the walls . . . were made up, and . . . the breaches . . . stopped--The rapid progress of the fortifications, despite all their predictions to the contrary, goaded the Samaritans to frenzy.
• Adam Clarke (Methodist), Clarke's Commentary on the Bible on Nehemiah 4:7: The walls of Jerusalem were made up - That is, they were made up to the half height of the wall; for the preceding verse seems to intimate that the whole wall was thus far built; not half of the wall completed, but the whole wall built to half its height.