राम Rama, वयम् we, हताः खलु are destroyed, ये by, त्वयापि you also, उपवञ्चिताः deprived of, दुःखभागिनः full of sorrow, पापायाः sinful, कैकेय्याः Kaikeyi, वशम् under the control, एष्यामः caught up like that.

Deprived of you, O Rama we will come under the control of that sinful Kaikeyi. We will suffer and die.