וַיָּבֹ֣א עָלָ֔יו תִּלְּגַ֥ת פִּלְנְאֶ֖סֶר מֶ֣לֶךְ אַשּׁ֑וּר וַיָּ֥צַר ל֖וֹ וְלֹ֥א חֲזָקֽוֹ׃
And Tillegath-pilneser king of Assyria came unto him, and distressed him, but strengthened him not.
Read midrashic interpretation of II Chronicles 28:20: and classical rabbinic exegesis.