grind

中文： 研磨、苦差事、研磨粗细度

1. The act of reducing to powder, or of sharpening, by friction. (countable, uncountable)
2. Something that has been reduced to powder, something that has been ground. (countable, uncountable)
3. A specific degree of pulverization of coffee beans. (countable, uncountable) · This bag contains espresso grind.
4. A tedious and laborious task. (countable, uncountable) · This homework is a grind.
5. A grinding trick on a skateboard or snowboard. (countable, uncountable)
6. Hustle; hard work. (slang, uncountable) · I've been on the grind all week, trying to make ends meet.

复数 grinds