SB 10.18.25

aviṣahyaṁ manyamānaḥ
 kṛṣṇaṁ dānava-puṅgavaḥ
vahan drutataraṁ prāgād
 avarohaṇataḥ param
Synonyms: 
aviṣahyam — invincible; manyamānaḥ — considering; kṛṣṇam — Lord Kṛṣṇa; dānava-puṅgavaḥ — that foremost demon; vahan — carrying; druta-taram — very quickly; prāgāt — he went off; avarohaṇataḥ param — beyond the place marked for climbing down.
Translation: 
Considering Lord Kṛṣṇa invincible, that foremost demon [Pralamba] quickly carried Balarāma far beyond the spot where he was supposed to put his passenger down.
Purport: 

Pralamba wanted to carry Balarāma out of Lord Kṛṣṇa’s sight so that he could cruelly attack Him.