kṛṣṇe dekhi' - seeing Kṛṣṇa; ei - these; saba - all; karena namaskāra - offer respectful obeisances; kṛṣṇa-gamana - the passing of Kṛṣṇa; puche - inquire; tāre - from them; kariyā nirdhāra - making certain.

The gopīs thought that because all the trees must have seen Kṛṣṇa pass by they were offering respectful obeisances to Him. To be certain, the gopīs inquired from the trees.