Idiom
lull someone into a false sense of security
Theme: DECEPTION
to lead someone into believing that all is well before attacking or doing something bad to someone.We lulled the enemy into a false sense of security by pretending to retreat. Then we launched an attack.The boss lulled us into a false sense of security by saying that our jobs were safe and then let half the staff go.
Idiom
lull someone into a false sense of securitylull (someone) into a false sense of security
to make someone feel safe when they are not.Wearing suntan lotion can lull people into a false sense of security and make them spend longer in the sun than they should.