pick over

phrasal verb
1
to examine a group of things carefully, especially to choose the ones you want
به دقت انتخاب کردن, دانه دانه وارسی کردن, دست چین کردن
2
to examine a group of things carefully, especially to choose the ones you want
به دقت انتخاب کردن, دانه دانه وارسی کردن, دست چین کردن
I picked through the facts of the case.
Pick over the lentils and remove any little stones.