וְנָטִ֣יתִי עַל־יְרוּשָׁלִַ֗ם אֵ֚ת קָ֣ו שֹֽׁמְר֔וֹן וְאֶת־מִשְׁקֹ֖לֶת בֵּ֣ית אַחְאָ֑ב וּמָחִ֨יתִי אֶת־יְרוּשָׁלִַ֜ם כַּֽאֲשֶׁר־יִמְחֶ֤ה אֶת־הַצַּלַּ֙חַת֙ מָחָ֔ה וְהָפַ֖ךְ עַל־פָּנֶֽיהָ׃
Iuunat Ko sa Jerusalem ang panukat na lubid ng Samaria at ang hulog na tingga ng sambahayan ni Ahab, at pupunasan Ko ang Jerusalem gaya ng pagpupunas ng isang tao sa mangkok: pinupunasan niya ito at itinataob.
Rashi
And the plumb line. That is the string to which the builders of a wall tie a lead weight to make the wall straight.2I.e., so that the following rows of bricks or stones will all be directly above one another.
Ralbag
And I will stretch over Jerusalem... : This means that Jerusalem will be given into the hand of an enemy, just as Samaria was given into the hand of the King of Assyria.
Rashi
As one wipes a dish. As one wipes a dish.3Just as one wipes a dish and turns it over so that it should not become soiled or be eaten from any more, so will Yerusholayim be cleaned out of its habitants and then it will destroyed so that it would no longer be habitable.—Radak