Mahabharata 3.238.18

अहो बत यथेदं मे कष्टं दुश्चरितं कृतम्स्वयं दुर्बुद्धिना मोहाद्येन प्राप्तोऽस्मि संशयम्

aho bata yathedaṃ me kaṣṭaṃ duścaritaṃ kṛtamsvayaṃ durbuddhinā mohādyena prāpto'smi saṃśayam

Our plain-language meaning of this verse is waiting for scholar review.