5.30.18

‘Sita bhita bhavisyati’: Sita gets scared because she will remember Ravana’s disguise as a Brahmana when he abducted her.

5.30.28

‘Na sakmyam’: I may not be able. The raksasas may prevent Sita going out and they may kill her.

5.30.37

‘Anyatha bhavanti’: ‘Contrary things happen’ implies, the messengers must act very cautiously.