under a delusion

Traduzioni
в заблуждении
He is under a delusion that he can win the lottery every week.
Он находится в заблуждении, что может выигрывать в лотерею каждую неделю.
Definizioni
Believing something that is not true or is based on a false impression, often despite evidence to the contrary.
Parole
delusion

noun
заблуждение