Verse 21

तं पप्रच्छातिथिं गाधिः प्रसङ्गपतितं वचः ।किं ब्रह्मन्सुकृशाङ्गस्त्वं किमिति श्रमवानसि

In plain words

Gādhi asked his guest a question that arose in the course of their talk: 'Why, brāhmaṇa, are your limbs so wasted? Why are you so weary?'