Valmiki Ramayana Yuddha Kanda Sarga 73 Shloka 6
Original Shlokaइमांप्रतिज्ञांशृणुशक्रशत्रोःसुनिश्चितांपौरुषदैवयुक्ताम् । अद्यैवरामंसहलक्ष्मणेनसन्तर्पयिष्यामिशरैरमोघैः ।।6.73.6।।
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शक्रशत्रोः Indra's enemy, सुनिश्चिताम् fully determined, पौरुषदैवयुक्ताम् manliness and divinity combined, इमाम् this, प्रतिज्ञाम् vow, शृणु listen, अद्यैव now itself, लक्ष्मणेनसह along with Lakshmana, रामम् Rama, अमोघैः wonderful, शरौघैः arrows, सन्तर्पयिष्यामि will put an end.
"Listen to this vow of Indra's enemy, which is fully determined and combined with manliness and divinity. I shall put an end to Rama and Lakshmana with my wonderful arrows."