непостоянныйinconstans [ntis];mutabilis
вертетьсяse torquзre; se
безуспешныйirritus [a, um]
cooperari [or, atus sum];adjuvare [o, juvi, jutum];una agere [ago, egi, actum];operam sociare [1] cum, adjutricem operam praebзre [eo, ui, itum];