to achieve two things at once
一石二鳥を得る (isseki nichou o eru)
"I can kill two birds with one stone by listening to a podcast while I exercise."
"運動しながらポッドキャストを聞くことで一石二鳥を得られます。" (undou shinagara poddokyasuto o kiku koto de isseki nichou o eraremasu)
to fail completely
to become crazy or mentally unstable
to absorb or receive information quickly
a fair opportunity to defend oneself or be heard
to use unfair or dishonest methods to win
To try to achieve something with confidence.