He felt tiny bits of grit and sand peppering his knees.他感到有细小的石子和沙粒不断打在膝盖上。

She had a piece of grit in her eye.她眼睛里进了一个小颗粒。

the use of salt and grit on highway surfaces公路路面上盐和沙砾的铺撒

I admire his grit.我佩服他的勇气。

true grit真正的坚韧

They showed tremendous grit and determination.他们表现出了巨大的勇气与决心。