勘所

彼は交渉の勘所をよく心得ている。

He has a good grasp of the key points in negotiation.

この仕事は勘所さえ押さえれば難しくない。

This job isn't hard as long as you get the essentials right.

ベテランの先輩は、いつも勘所を外さない助言をくれる。

My veteran senior always gives advice that hits the crucial point.

三味線には勘所を示す印がないので、耳で覚えるしかない。

The shamisen has no markings for the stopping positions, so you have to learn them by ear.

勘所が少しずれると、音程が狂ってしまう。

If your finger is slightly off the stopping position, the pitch goes out of tune.

師匠は弟子の指を取って勘所を教えた。

The master took his pupil's finger and showed him where to press the string.