Mahabharata 3.258.5
एतन्मे भगवन्सर्वं सम्यगाख्यातुमर्हसिश्रोतुमिच्छामि चरितं रामस्याक्लिष्टकर्मणः
etanme bhagavansarvaṃ samyagākhyātumarhasiśrotumicchāmi caritaṃ rāmasyākliṣṭakarmaṇaḥ
Our plain-language meaning of this verse is waiting for scholar review.