If you describe a bad situation as grinding, you mean it never gets better, changes, or ends.
例句
Their grandfather had left his village in order to escape the grinding poverty.为了摆脱贫困的煎熬，他们的祖父离开了村子。...the grinding difficulty of getting to the stadium.想要进入体育场困难重重
PHRASE
突然停顿下来
If you say that something comes to a grinding halt, you are emphasizing that it stops very suddenly, especially before it was meant to.
例句
A car will come to a grinding halt if you put water in the petrol tank.如果把水灌进油箱，汽车会猛然间停下来。