The phrase "grinding for" is correct and usable in written English.
It is often used to describe an effort towards a goal, often preceded by a verb such as "working" or "striving". For example, you could say "He was grinding for success in his business".
"We're grinding for nine innings and playing with a lot of energy".
If I've got an ax, it's one I've been grinding for 25 years".
They have a factory called the Sal Metal Products, in Greenpoint, where they do Blanchard grinding for the military.
The first step in grinding for the gradual reduction process is performed between steel cylinders, with grooved surfaces, working at differential speeds.
Then Bennett, grinding for extra yardage, gained 16 yards on a draw play that gave Cincinnati a first down at the Pittsburgh 18.
The only saving grace is that you can play as elite players in a non-exhibition setting without spending a lot of money or grinding for hours.
After hearing the former Bulldogs tailback Anthony Dixon say in an interview a few years ago that he was going to "keep grinding for my State," Waide turned it into the university's unofficial slogan on Twitter.
I got out of Destiny, because I saw in front of me a predictable future of grinding for XP in the same set-piece environments on the same beautiful but soulless planets.
"Looking at the guys who are going to be grinding for the last two spots, I think by mid- to end spring, it's going to be pretty interesting," Clemens said.
Just don't complain when you're spending time grinding for coins to improve your side and you get thrashed by someone who has just spent hundreds of pounds buying player packs.
With the screw plant and box factory gone and the electric motor company in the final stages of shutdown, Mr. Rackley tried tree-stump grinding for a while, but business was catch as catch can.
