| review(verb, study, improve, renew, research) |
| refresh(verb, give, correct, restore, revive) |
| polish(verb, improve, perfect, restore, look) |
| polish up(verb, expression, phrasal verb, study, improve) |
| retouch(verb, touch, improve) |
| touch up(verb, expression, phrasal verb, smooth, correct) |
| renovate(verb, correct, improve, restore, revive) |
| round off |
| Polish |
| cram(verb, improve) |
| go over(verb, expression, phrasal verb, study, improve) |
| repair(verb, cool, correct, stimulate, improve) |
| round(verb, smooth, improve, look, enhance) |
| study(verb, improve, review, renew, research) |
| bone up(verb, review) |
| freshen(cool, stimulate, improve, prompt, restore) |
| furbish |
| get up(verb, expression, study, review, research) |
| improve(verb, correct, perfect, restore, enhance) |
| refresh the memory(verb, expression, idiom, study, review) |