He has lost the nerve which never failed him on the battlefield and has become a weak, doddering old man, utterly incapable of contending with a brilliant, forceful rascal like this Austrian.

他失去了在战场上从未让他失望过的勇气。 已经变成了一个虚弱的老头子， 完全无法与这个奥地利人这样一个才华横溢、强悍的流氓抗衡。