grind

vt.

1. 磨（碎）；碾（碎）；磨成[（+up/from/into）]
   The flour was ground from barley.

   這麵粉用大麥碾成。

2. 磨快；磨光；磨薄；磨成……形
   I have to grind the knife; it is blunt.

   我得磨刀；它鈍了。

3. 咬（牙）；嘎嘎地響
   He ground his teeth in anger.

   他氣得咬牙切齒。

4. 折磨；壓榨[（+down）]
5. 用力擠壓[O]
   He ground out his cigarette.

   他把香菸掐滅。

6. 【口】苦心地教，反覆地灌輸[（+into）]

vi.

1. 磨；碾；磨碎；磨光；磨快
2. 摩擦得嘎嘎響
   Heavy tanks ground through the square.

   重型坦克嘎嘎地穿過廣場。

3. 【口】刻苦地做；苦學[Q][（+away/at/for）]
   He is grinding away for the examination.

   他正在拼命用功準備考試。