Bahasa Jepangnya “memahami inti”

memahami inti; menangkap pokok persoalan

to understand the essence; to catch the main points

memahami inti persoalan; memukul bola tepat di titik pukul; menyentuh pokok masalah

to get to the heart of the matter; to hit (a ball) with the sweet spot (of a golf club, baseball bat, etc.); to get to the core