勤奋 diligent；assiduous；industrious
无微不至 meticulously；in every possible way
铁面无私 impartial and incorruptible
有始有终 carry sth.through to the end
废寝忘食 forget food and sleep
诚实 honest
强词夺理 resort to sophistry；reason fallaciously
目中无人 be supercilious
我就说到这了 实在太多了...说不完啊