| exert oneself(verb, expression, strain, endeavor, strive) |
| grind(verb, strain, endeavor, strive) |
| grind away(verb, expression, strain, endeavor, strive) |
| keep your head down(expression, idiom, work, persevere) |
| keep your nose to the grindstone(verb, expression, idiom, work, persist) |
| labor(verb, work, strain, persevere, endeavor) |
| plod(verb, strain, endeavor, strive) |
| plow(work, persevere) |
| plug(work, persevere) |
| pour it on(verb, expression, idiom, strain, endeavor) |
| press on(expression, work, persevere) |
| slave(verb, strain, endeavor, strive) |
| slog(verb, strain, endeavor, strive) |
| soldier on(expression, work, persevere) |
| strain(verb, endeavor, strive) |
| strive(verb, strain, endeavor) |
| struggle(work, persevere) |
| struggle on(verb, expression, phrasal verb, persist) |
| sweat(verb, strain, endeavor, strive) |
| sweat blood(verb, expression, strain, endeavor, strive) |