sift through, sift through [sth]vtr phrasal insepphrasal verb, transitive, inseparable: Verb with adverb(s) or preposition(s), having special meaning, not divisible--for example,"go with" [=combine nicely]: "Those red shoes don't go with my dress." NOT [S]"Those red shoes don't go my dress with."[/S]
figurative (sort through: papers)
doorzoeken overg. ww
doorpluizen overg. ww
I was sifting through papers when I found your letter.