vṛndāvana-līlāya - in the pastimes of Vṛndāvana; kṛṣṇera - of Lord Kṛṣṇa; sahāya - assistants; gopī-gaṇa - all the gopīs; gopī-gaṇa vinā - except for the gopīs; kṛṣṇera - of Lord Kṛṣṇa; harite - to attract; nāre - no one is able; mana - the mind.

“In the pastimes of Vṛndāvana, the only assistants are the gopīs. But for the gopīs, no one can attract the mind of Kṛṣṇa.”