Valmiki Ramayana Yuddha Kanda Sarga 45 Shloka 16
Original Shlokaबद्धौतुशरशब्देनतावुभौरणमूर्धनि । निमेषान्तरमात्रेणनशेकतुदीक्षितुम् ।।6.45.16।।
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रणमूर्धनि facing the battle, निमेषान्तरमात्रेण in a fraction of twinkling of an eye, बद्धौ bound, तौउभौ both of them, उदीक्षितुम् to retaliate, नशेकतुः not have energy.
In a fraction of a second, both Rama and Lakshmana facing the battle were bound by arrows and did not have energy to retaliate.