| release(discharge, pardon, dispatch, liberation, expulsion) |
| research and development(noun, expression, idiom, struggle, examination) |
| rough draft |
| rough sketch |
| shakedown(noun, struggle, examination, test, effort) |
| shibboleth(noun, check, approval, examination, standard) |
| shot(noun, struggle, examination, test, effort) |
| showcase(noun, struggle, examination, test, effort) |
| sounding out |
| stab(noun, struggle, examination, test, effort) |
| striving(noun, struggle, examination, test, effort) |
| struggle(noun, examination, test, effort, experiment) |
| substantiation(noun, check, approval, examination, standard) |
| test case |
| test period(noun, expression, trial, period) |
| test run(noun, expression, struggle, examination, test) |
| trial and error(noun, expression, idiom, check, struggle) |
| trial run(noun, expression, check, struggle, approval) |
| try on(noun, expression, struggle, examination, test) |
| trying |