<prompt> Translate the following text to EnglishTumeanza juhudi za kuimarisha na kubuni upya mfumo wetu wa tathmini ya utendaji ili kutathmini vizuri nguvu na udhaifu wa wafanyikazi, kutambua mahitaji ya mafunzo, tuzo na kutambua utendaji wa kipekee, na kuboresha utendaji katika ngazi zote.  <response>: We have begun efforts to strengthen and redesign our performance appraisal system to better assess employee strengths and weaknesses, identify training needs, reward and recognize exceptional performance, and improve performance at all levels. 