Valmiki Ramayana Yuddha Kanda Sarga 64 Shloka 34
Original Shlokaसापुरासुखसम्वृद्धासुखार्हादुःखकर्शिता । त्वय्यधीनंसुखंज्ञात्वासर्वथोगमिष्यति ।।6.64.34।।
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पुरा in the past, सुखसम्वृद्धा grew up with much comfort, सुखार्हा deserved felicity, दुःखकर्शिता tormented with grief, सा she, सुखम् happiness, त्वयि you alone, अधीनम् desperate, ज्ञात्वा knowing, सर्वधा always, उपगमिष्यति will submit to your will.
"That Sita having grown up in much comfort, deserved felicity. Tormented with grief, desperate, depending on you alone for happiness, will submit to you completely."