Reduce something to small pieces or powder by friction

• Sharpen or shape by rubbing on an abrasive surface

通过摩擦把东西磨成细末或小块

• 用磨料打磨以使其变尖或成形

Move or make a harsh scraping sound due to friction

• Proceed with difficulty, rubbing or grating

因摩擦发出刺耳的摩擦声地移动

• 费力地前进，咯噔作响地摩擦

Slide a skateboard or snowboard along an edge or rail

用滑板或单板沿着台沿或扶手滑行

Work or study hard over a sustained period; drudge; hustle

长时间刻苦工作或用功学习；拼命干

Repeat tasks many times to reach a goal, especially in games

反复做同样的任务以达成目标，尤指在游戏中

The act or process of grinding or sharpening by friction

通过摩擦进行打磨或研磨的过程

The degree of fineness to which coffee is ground

咖啡粉的粗细程度；研磨度

Tedious, routine hard work; the daily slog

枯燥繁重的日常工作；苦差事

A skateboarding or snowboarding trick sliding along an edge or rail

滑板或单板沿台沿或扶手滑行的动作