This is the 12137th most frequent Russian word.
иллюзии
Illusions or deceptive perceptions of reality.
In this sentence, 'иллюзии' refers to false beliefs or unrealistic expectations about something.
У неё были иллюзии относительно успеха её проекта.
She had illusions about the success of her project.
Here, 'иллюзии' implies deceptive ideas or misconceptions that the speaker advises letting go of.
Прекрати питать иллюзии, лучше взглянуть на ситуацию трезво.
Stop nurturing illusions and take a sober look at the situation.
In this context, 'иллюзии' denotes themes or concepts of misleading appearances typically explored in literary works.