Mahabharata 12.5.1

नारद उवाच · nārada uvāca

आविष्कृतबलं कर्णं ज्ञात्वा राजा तु मागधःआह्वयद्द्वैरथेनाजौ जरासंधो महीपतिः

āviṣkṛtabalaṃ karṇaṃ jñātvā rājā tu māgadhaḥāhvayaddvairathenājau jarāsaṃdho mahīpatiḥ

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