Valmiki Ramayana Ayodhya Kanda Sarga 12 Shloka 84

व्रतैः च due to observing vows, ब्रह्मचर्यैश्च by observance of vows of celibacy, गुरुभिश्च by preceptors, उपकर्शितः emaciated, भोगकाले at the time of enjoying pleasures, पुनः एव again now, महत् great, कृच्छ्रम् hardship, प्रपत्स्यते is going to undergo.

'(Rama) already emaciated by observing vows related to ritual and celibacy in compliance with the orders of the preceptors has to undergo hardships again at a time when he should enjoy pleasures (of life)'.