hammering away
Antonyms
Examples
I'm a Republican and I'm gonna stay a Republican because they need somebody like me to stay in the Party and keep hammering away.
Look at a stone cutter hammering away at his rock, perhaps a hundred times without as much as a crack showing in it. Yet at the hundred-and-first blow it will split in two, and I know it was not the last blow that did it, but all that had gone before.
When nothing seems to help, I go look at a stonecutter hammering away at his rock perhaps a hundred times without as much as a crack showing in it.