Mahabharata 7.133.5

कर्ण उवाच · karṇa uvāca

परित्रातुमिह प्राप्तो यदि पार्थं पुरंदरःतमप्याशु पराजित्य ततो हन्तास्मि पाण्डवम्

paritrātumiha prāpto yadi pārthaṃ puraṃdaraḥtamapyāśu parājitya tato hantāsmi pāṇḍavam

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