幔住空中 They Curtain Off The Sky
卻好有托塔李天王並哪吒太子，領魚肚藥叉、巨靈神將，幔住空中，叫道：「慢來，慢來。吾奉玉帝旨意，特來此剿除你也。」却好有托塔李天王并哪咤太子，领鱼肚药叉、巨灵神将，幔住空中，叫道：「慢来，慢来。吾奉玉帝旨意，特来此剿除你也。」
逐句解 Line by line
But as luck had it there were the Pagoda-Bearing Heavenly King Li and Prince Nezha, leading the Fish-Belly Yakṣa and the Mighty Spirit General, curtaining off the sky and calling: "Not so fast, not so fast!
The verb is exact: 幔 is màn, to curtain or screen, so they do not bar the sky so much as hang across it. 哪 in 哪吒 is né, one of the few sites in this chapter where the reading inside the name comes out right on its own, while the bare character would give nǎ. 藥叉 renders yakṣa.
"I hold the Jade Emperor's command, and am come here expressly to destroy you."
A second authority enters a chapter that was, until three passages ago, about a private quarrel over a fan. The Buddha's four Vajras stopped the compass; the Jade Emperor's establishment now stops the vertical. The next passage but one explains how the two came to be coordinated.
Up is covered too. The Pagoda-Bearing Heavenly King and Prince Nezha are hanging across the sky with a yakṣa and a spirit general, and the verb is 幔 — to curtain — which makes the heavens a thing that can be drawn shut.
The authority is new. The four Vajras came from the Buddha; these come from the Jade Emperor, and the chapter has now enlisted both establishments against one bull. How the two came to be acting together is explained two passages on, and the explanation is entirely bureaucratic.