Valmiki Ramayana Sundara Kanda Sarga 20 Shloka 2

नागनासोरु with thighs like the trunk of an elephant, माम् me, दृष्ट्वा on seeing, स्तनोदरम् breasts and belly, गूहमाना concealed, त्वम् you, भयात् through fear, आत्मानम् by yourself, अदर्शनम् concealed, नेतुम from me, इच्छसीव you want.

"On seeing me, Sita, you want to conceal your thighs, belly and breasts through fear of me. I think you do not want me to see you.