1. tooth
2. ivory

classifier: 顆

1. a brush
2. to paint; to daub
3. to brush; to scrub
4. (fig.) to remove; to eliminate (from a contest); to fire (from a job)
5. (onom.) swish; rustle
6. to swipe (a card)
7. to scroll on (a phone)
8. (gaming) to grind; to farm (for experience points, equipment, levels etc)