Vaishampayana says-O Janamejaya! In spite of told impliedly, the king Virata could not recognise Arjuna, the son of Pandu living those hideously as an eunuch.
वैशम्पायन उवाच एवमाख्यायमानं तु छन्नं सत्रेण पाण्डवम्। वसन्तं तत्र नाज्ञासीद् विराटो वाहिनीपतिः॥