investigate thoroughly / inquire into / get to the bottom of / make a thorough investigation of / investigate / look closely into
つきつめる
tsukitsumeru
突きつめる JVE
investigate *something / investigate *something thoroughly / get to the bottom of *something / make a thorough investigation of *something / look into *something closely / clear *something up
つきつめる
tsukitsumeru
突き詰める JVE
investigate thoroughly / inquire into / get to the bottom of / make a thorough investigation of / clear up / investigate / look closely into
つきつめる
tsukitsumeru
突詰める JVE
get to the bottom of / make a thorough investigation of / in the last analysis / investigate / inquire into