tatah -- then; cata-cata-sabdah -- the clattering sound; vajra -- of lightning; nishpesha -- the crash; sannibhah -- resembling; gadayoh -- of their clubs; kshiptayoh -- being swung; rajan -- O King (Parikshit); dantayoh -- of the tusks; iva -- as if; dantinoh -- of elephants.

When Jarasandha's and Bhimasena's clubs loudly collided, O King, the sound was like the impact of the big tusks of two fighting elephants, or the crash of a thunderbolt in a flashing electrical storm.