prick your conscience
idiomPart ofconscience
prick your conscience — idiom
1. to make you feel guilty or uncomfortable about something, especially causing you
1.idiom
Definition
to make you feel guilty or uncomfortable about something, especially causing you to change your behaviour
Example
Seeing the old woman sleeping on the street pricked her conscience and she offered to buy her a meal.
The film about how farm animals are treated pricked his conscience and he became a vegetarian the next week.