एकस्यैव you alone, अभियाने set out, त्वया by you, यः that, हेतुः reason, कथितः adduced, तत्रापि by you, यत् that, अनुपपन्नम् illconceived असाधु च improper, ते to you, वक्ष्यामि will reveal.

"You have set out alone (for war) and the reason adduced by you is ill conceived and improper. I shall tell you."