अल्पबुद्धे foolish, रावण Ravana, वज्रसंस्पर्शबाणस्य whose arows can hit like a thunderbolt, रामस्य Rama's, भार्याम् wife, एनाम् this lady, रक्षसाम् of demons, वधाय for destruction, हरसि kidnapping.

Foolish Ravana, you are kidnapping this lady, wife of Rama, whose arrows can hit like a thunderbolt. This will lead to the destruction of all demons.