Valmiki Ramayana Sundara Kanda Sarga 26 Shloka 15
Original Shlokaनिरुद्धा रावणेनाहमल्पवीर्येण रक्षसा। समर्थः खलु मे भर्ता रावणं हन्तुमाहवे।।5.26.15।।
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अहम् I, अल्पवीर्येण of inferior valour, रक्षसा by the demon, रावणेन by Ravana, निरुद्धा I am held captive, मे भर्ता my husband, आहवे in battle, रावणम् Ravana, हन्तुम् killing, समर्थः खलु is surely capable.
"Rama, my husband, for sure, is capable of killing in battle this Ravana who has held me captive and who is a demon of inferior valour.