急所

Noun

 * 1) pressure point; vital point
 * 2) key point, essential notion
 * 3) weak point
 * 4)  balls, testicles
 * 1) weak point
 * 2)  balls, testicles
 * 1) weak point
 * 2)  balls, testicles
 * 1)  balls, testicles