verb to release or discharge, especially from a responsibility or obligation
preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause
In sports, 'let off' can refer to a player being given a warning or not being penalized for a foul or violation.
In the automotive field, 'let off' can refer to the sudden release of the accelerator pedal.
In the legal field, 'let off' refers to a defendant being acquitted or released without punishment.
In the context of firearms, 'let off' can refer to the discharge of a gun.
In a work setting, 'let off' can refer to being excused from a task or responsibility.
In the context of writing, 'let off' can refer to releasing tension or excitement in a story, such as letting off steam through a character's actions or dialogue.
In psychology, 'let off' can refer to allowing a client to express emotions or thoughts freely in a therapeutic setting, providing a release or catharsis.