sift through (someone's) thoughts

Translations
разобраться в (чьих-то) мыслях
She needed to sift through her thoughts before making a decision.
Ей нужно было разобраться в своих мыслях, прежде чем принять решение.
Definitions
To carefully examine or consider someone's thoughts, often in order to find something specific, gain understanding, or make sense of their ideas and feelings.
Words
thought

noun
мысль
sift through

verb
просеивать
sift

verb
просеивать