Caitanya-caritāmṛta 2.66
bhojana dekhi’ yadyapi tāṅra hṛdaye ullāsa nṛsiṁha lakṣya kari’ bāhye kichu kare duḥkhābhāsa
[bhojana dekhi’ yadyapi taanra hridaye ullaasa nrisimha lakshya kari’ baahye kichu kare duhkhaabhaasa]
Blended reading (Sanskrit + English inline)
bhojana dekhi’ yadyapi tāṅra hṛdaye ullāsa nṛsiṁha lakṣya kari’ bāhye kichu kare duḥkhābhāsa
Although Nṛsiṁha Brahmacārī felt jubilation within his heart to see Śrī Caitanya Mahāprabhu eating everything, for the sake of Lord Nṛsiṁhadeva he externally expressed disappointment.
My note
Source: vedabase.io