Frequently in the presence of the Kaurava (king) you boast (of your prowess). But neither your prowess nor the result of it has ever been witnessed.
बहुशः कत्थसे कर्ण कौरवस्य समीपतः। न तु ते विक्रमः कश्चिद् दृश्यते फलमेव वा॥