kṛṣṇa lāgi' - for Lord Kṛṣṇa; āra - other; saba - all; kare - do; parityāga - give up; kṛṣṇa-sukha-hetu - for the purpose of Lord Kṛṣṇa's happiness; kare - do; śuddha - pure; anurāga - attachments.

They renounced everything for Kṛṣṇa. They have pure attachment to giving Kṛṣṇa pleasure.