to have a negative emotional impact; to cause emotional distress or confusion.
to divert, redirect, or alter by disturbing.
to confuse a quiet, constant state or a calm, continuous flow, in particular: thoughts, actions or liquids.
To put excessive burdens upon (someone); to subject (someone) to anxieties.
To persistently bother (someone, or a group of people) physically or psychologically when such behaviour is illegal and/or unwanted, especially over an extended period.
To annoy (someone) frequently or systematically; to pester.
To trouble (someone, or a group of people) through repeated military-style attacks.