Valmiki Ramayana Yuddha Kanda Sarga 77 Shloka 10
Original Shlokaराक्षसावानराश्चापि न शेकुस्स्पन्दितुंभयात् ।।6.77.10।। हनूमांस्तुविवृत्योरस्तस्थौतस्याग्रतोबली ।
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राक्षसाः Rakshasas, वानराश्चापि even Vanaras, भयात् out of fear, स्पन्दितुम् to move, न शेकुःnot able, बली mighty, हनूमान् तु Hanuman only, उरःchest, विवृत्य showing, तस्थौ stood
The Rakshasas and even Vanaras were not able to move out of fear. Only mighty Hanuman stood there showing his chest.