Translation is a two-edged instrument: it has the special purpose of demonstrating the learner's knowledge of the foreign language, either as a form ….

There is no such thing as a perfect, ideal, or 'correct' translation. A translator is always trying to extend his knowledge and improve his means of ….

A satisfactory translation is not always possible, but a good translator is never satisfied with it. It can usually be improved. (Newmark).