SB 10.11.41
Devanāgarī
कदाचिद् यमुनातीरे वत्सांश्चारयतो: स्वकै: । वयस्यै: कृष्णबलयोर्जिघांसुर्दैत्य आगमत् ॥ ४१ ॥
Text
kadācid yamunā-tīre vatsāṁś cārayatoḥ svakaiḥ vayasyaiḥ kṛṣṇa-balayor jighāṁsur daitya āgamat
Synonyms
kadācit—sometimes;yamunā-tīre—on the bank of the Yamunā;vatsān—the calves;cārayatoḥ—when They were tending;svakaiḥ—Their own;vayasyaiḥ—with other playmates;kṛṣṇa-balayoḥ—both Kṛṣṇa and Balarāma;jighāṁsuḥ—desiring to kill Them;daityaḥ—another demon;āgamat—reached there.
Translation
One day while Rāma and Kṛṣṇa, along with Their playmates, were tending the calves on the bank of the river Yamunā, another demon arrived there, desiring to kill Them.