That we showed them mercy was only from a desire for pleasing you. The fatigued Pandavas, however, have now (after taking rest) become stronger.
यत् तु मर्षितमस्माभिर्भवतः प्रियकाम्यया। त एते परिविश्रान्ताः पाण्डवा बलवत्तराः॥