search (someone's) conscience

Translations
искать в (чьей-либо) совести
She searched her conscience before making a decision.
Она искала в своей совести, прежде чем принять решение.
Definitions
To carefully consider or reflect on one's own moral beliefs, feelings, or actions, especially to determine whether something is right or wrong.
Words
conscience

noun
совесть
search

verb
искать