Valmiki Ramayana Kishkindha Kanda Sarga 65 Shloka 12
Original Shlokaकिन्तु नैवं गते शक्यमिदं कार्यमुपेक्षितुम्। यदर्थं कपिराजश्च रामश्च कृतनिश्चयौ।।4.65.12।।
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किं तु however, एवं गते in this situation, यदर्थम् order, कपिराजश्च monkey king's, रामश्च and Rama's, कृतनिश्चयौ are determined, इदम् this, कार्यम् task, उपेक्षितुम् to neglect, न शक्यम् not possible.
'However in this situation, it is not possible for us to neglect (our task) as it is the order of the monkeyking and Rama who are determined to achieve the objective.