आनघ: sinless one, तस्मात् therefore, त्वया: by you, परैः other than me, समारब्दम् undertaking, अप्रतिमम् which is not possible, कर्म: act अहम् I, तव: your, शत्रून् enemy, हत्वा: killing, समीकरिष्यामि: accomplish your goal.

"O Sinless Ravana Therefore, that which you have done is not possible for none other than me. I will kill your enemy and accomplish your goal for you."