Mahabharata 3.227.18

ततो दुर्योधनं कर्णः प्रहसन्निदमब्रवीत्उपायः परिदृष्टोऽयं तं निबोध जनेश्वर

tato duryodhanaṃ karṇaḥ prahasannidamabravītupāyaḥ paridṛṣṭo'yaṃ taṃ nibodha janeśvara

Our plain-language meaning of this verse is waiting for scholar review.