| interest(verb, join, catch, arrest, participate) |
| involve(verb, join, catch, arrest, occupy) |
| join(verb, catch, interest, arrest, participate) |
| keep busy(verb, expression, join, catch, interest) |
| launch(verb, attack, accept, try, begin) |
| make a run at(verb, expression, idiom, phrasal verb, attack) |
| monopolize(verb, join, catch, interest, arrest) |
| partake(verb, join, catch, interest, arrest) |
| participate(verb, join, catch, interest, arrest) |
| pitch in(verb, expression, phrasal verb, join, catch) |
| pitch into(verb, expression, phrasal verb, attack, accept) |
| play around with(expression, idiom) |
| practises |
| preengage(verb, join, catch, interest, arrest) |
| preoccupy(verb, join, catch, interest, arrest) |
| probe(verb, fit, test, evaluate) |
| put into practice(verb, expression, idiom, fit, test) |
| put to the test(verb, expression, idiom, fit, test) |
| research |
| road test |