Tā de yánlùn zìxiāng máodùn, lìng rén gǎndào bèimiù.
His statements are self-contradictory and seem absurd.
Tips
usage
悖 is a formal/literary bound form that rarely appears alone. It combines into words like 悖论 (paradox), 悖谬 (absurd/irrational), and 违悖 (to violate/go against). In classical Chinese, it could mean confused or seditious.