rādhā vasi' āche - Śrīmatī Rādhārāṇī is sitting; kibā - or; vṛndāvane yāya - is going to Vṛndāvana; tāhāṅ - there; yadi - if; ācambite - all of a sudden; kṛṣṇa-daraśana pāya - gets the opportunity to see Kṛṣṇa.

“Sometimes when Śrīmatī Rādhārāṇī is sitting or when She is going to Vṛndāvana, She sees Kṛṣṇa.