| break(verb, develop, improve, prepare, train) |
| break in(verb, expression, develop, improve, prepare) |
| condition(verb, develop, improve, prepare, train) |
| cultivate(verb, develop, improve, prepare, train) |
| develop(verb, improve, prepare, train, drill) |
| discipline(verb, develop, improve, prepare, train) |
| do repeatedly(verb, expression, develop, improve, prepare) |
| drill(verb, develop, improve, prepare, train) |
| dry run(verb, expression, develop, improve, prepare) |
| exercise(verb, develop, improve, prepare, train) |
| exert(verb, develop, improve, prepare, train) |
| fix(verb, develop, improve, prepare, train) |
| foster(verb, develop, improve, prepare, train) |
| groom(verb, develop, improve, prepare, train) |
| habituate(verb, develop, improve, prepare, train) |
| hone(verb, develop, improve, prepare, train) |
| improve(verb, develop, prepare, train, drill) |
| inure(verb, develop, improve, prepare, train) |
| keep fit(verb, expression, develop, improve, prepare) |
| labor(verb, develop, improve, prepare, train) |