As the grinded his teeth, the gnashing resembled the sounds sent by the machine* drawn by the Dänavas and churing the deep. *Meaning the mountain Mandara.
दन्तान्विदशतस्तस्य श्रूयते दशनस्वनः। यन्त्रस्याकृष्यमाणस्य मध्नतो दानवैरिव ॥