探り出す (さぐりだす) Japanese meaning | KotomoraMeanings
1
godan verb (-su), transitive verb
find out; dig up; sniff out; worm out; pry out; spy out
To uncover hidden information through investigation, questioning, or persistent effort. Often implies a deliberate, sometimes secretive, search.
彼女は巧みに質問して、彼の秘密を探り出した。
She skillfully questioned him and wormed out his secret.