הֵילִ֤ילִֽי שַׁ֙עַר֙ זַֽעֲקִי־עִ֔יר נָמ֖וֹג פְּלֶ֣שֶׁת כֻּלֵּ֑ךְ כִּ֤י מִצָּפוֹן֙ עָשָׁ֣ן בָּ֔א וְאֵ֥ין בּוֹדֵ֖ד בְּמוֹעָדָֽיו׃
성문이여 슬피 울지어다 성읍이여 부르짖을지어다 너 블레셋이여 다 소멸되게 되었도다 대저 연기가 북방에서 오는데 그 항오를 떨어져 행하는 자 없느니라
Ibn Ezra
בריחיה ונו׳ Her bars, etc.16A. V., His fugitives. The bars of the country cry, etc.; comp. Howl, O gate (14:31); or Her bars have been brought to Egypt,17Zoan is, according to Targum and LXX., Tanis on the Nile. It is remarkable that I. E. identifies Zoar and Zoan, while he is generally opposed to the supposition of an interchange of letters, except אֹ הֹ וֹ יֹ. whence the king of Assyria was coming,18Against Jerusalem, after having conquered Moab. or to Zoar19See Gen. 13:10, 19:22. near Sodom; in either case ענלת שלישיה a heifer of three years oldis in apposition to Zoar;20I. E. does not explain why Zoar or Zoan is called a heifer of three years old. According to Kimchi, because a heifer of three years old is big and strong. or בריחיה being equivalent to בורחיה —not to ברוחיה for how could a participle passive be formed of a neuter verb!—her fugitive men came to Zoar.
Sforno
ויזעקו, they cried out of frustration about their miserable fate and their enslavement. A similar expression for venting such feelings of frustration occurs in Isaiah 14,31הלילי שער זעקי העיר, “Howl, o gate! Cry out, o city!”