expression, godan verb (-u)
get to the heart of the matter; get to the core
Idiomatic expression meaning to grasp the essential point or central issue of a discussion or problem.
彼の質問はいつも芯を食っている。
His questions always get to the heart of the matter.
expression, godan verb (-u)
Sports idiom for striking a ball cleanly with the optimal part of a club, bat, or racket.
芯を食った当たりで、打球がよく伸びた。
He hit it with the sweet spot, and the ball carried well.