Mahabharata 5.127.37

प्रपद्यस्व महाबाहुं कृष्णमक्लिष्टकारिणम्प्रसन्नो हि सुखाय स्यादुभयोरेव केशवः

prapadyasva mahābāhuṃ kṛṣṇamakliṣṭakāriṇamprasanno hi sukhāya syādubhayoreva keśavaḥ

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