be under an illusion

Examples (10)

• They are under no illusions about the difficulties ahead of them.
• She was under the illusion that everyone loved her.
• Many people are under the illusion that wealth brings happiness.
• He is under an illusion if he thinks he can win without practice.
• We were under the illusion that the project would be easy.
• Don't be under any illusions; this job requires hard work.
• The children were under the illusion that magic was real.
• He refused to be under the illusion that things would get better on their own.
• They had been under the illusion that their problems were unique.
• It's dangerous to be under the illusion that you know everything.