delve
verb [ I ] uk/delv/ us/delv/
探索；深入寻找，搜寻
to search, especially as if by digging, in order to find a thing or information
She delved into her pocket to find some change. 她伸手到口袋里找零钱。
Synonym: dig
Phrasal verb
delve into something 深入探索;探究
to examine something carefully in order to discover more information about someone or something
It's not always a good idea to delve too deeply into someone's past. 过分探究某人的过去并不见得总是一件好事。
Synonym: investigate