grinding

noun

I need to do some grinding to sharpen my knife.

意味（1）

The action of grinding together or crushing into small particles.

Ominous creakings and grindings came from the innards of the machine.

意味（2）

(dance) A form of dance in which two people rub their bodies together.

意味（3）

(role-playing games, gaming) Repeatedly performing the same quest or similar in-game activity in order to amass points or wealth.