It would yet, however, be too short, if it left you room for the least doubt of the honour of my sentiments, the sincere regret I am under of having displeased you, and the profound respect with which I have the honour to be, &c.
Ez litzateke sobera luzea, baldin duda izpirik utziko balizu nire sentimenduen zintzotasunaz, zu atsekabetu izanaren damu hagitz zinezkoaz, eta zuri dizudan errespetu sakonaz, haiekin bateginik ohorez bainaiz, etab...