1 to torment

2 to torture

1 to rub

2 to grind

3 to polish

4 to sharpen

5 to wear down

6 to die out

7 to waste time

8 to pester

9 to insist

1 mill

1 ear

2 handle (archaeology)

3 and that is all (Classical Chinese)

1 ear

2 classifier: 只 zhī

3 classifier: 个 gè

4 classifier: 对 duì

5 handle (on a cup)

1 bowed head and ears glued (idiom); docile and obedient

2 at sb's beck and call

1 to block one's ears and not listen (idiom); to turn a deaf ear

1 a blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study (idiom)

1 lit. cutting and polishing (idiom)

2 fig. to learn by exchanging ideas or experiences

1 lit. to kill the donkey when the grinding is done (idiom)

2 to get rid of sb once he has ceased to be useful