contentio: intentio (as action): labor (severe xertion): conatus (endeavor, effort). (The words are found in this connection and order.) conatus studiumque: exertion of body, in speaking, summa vis atque contentio: vain exertions, inanes contentiones or impetus: immoderate exertion, effusa contentio: to make great exertion in anything, acerrime agere, obnixe facere aliquid: to require great exertions, positum esse in labore: to render anybody’s exertions fruitless, conatum infringere: with great effort and exertion, contente: with great exertion, enixe; obnixe: with the greatest exertion, manibus pedibusque: not without the greatest effort and exertion, non sine summa industrial: to speak without any great exertion (of the voice), voci parcere. To make every exertion, omnes nervos contendere or intendere, ut etc.; summo studio anniti, ut etc. (or ad aliquid); omnia tentare, ut etc.; rem magno conatu studioque agere; in anything, omnibus viribus agere aliquid; omni virium contentione incumbere in aliquid or laborare in re; omni studio incumbere ad or in aliquid (☞ alicui rei is not classical); omnem curam atque operam conferre ad aliquid: for anything, summa ope niti pro re.