Śrīmad-Bhāgavatam · Text 10.50.31
Who is speaking and story frame
बध्यमानं हतारातिं पाशैर्वारुणमानुषै: ।
वारयामास गोविन्दस्तेन कार्यचिकीर्षया ॥ ३१ ॥
badhyamānaṁ hatārātiṁ
pāśair vāruṇa-mānuṣaiḥ
vārayām āsa govindas
tena kārya-cikīrṣayā
With the divine noose of Varuṇa and other, mortal ropes, Balarāma began tying up Jarāsandha, who had killed so many foes. But Lord Govinda still had a purpose to fulfill through Jarāsandha, and thus He asked Balarāma to stop.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.