The candidate , they complain , has failed to respond adequately to the obama camp 's depiction of him as a callous corporate raider , who achieved success by trampling on hapless workers and outfoxing the taxman .

他们不满地说，候选人没有能对奥巴马阵营指责罗姆尼是一个无情的企业狙击手---罗姆尼是通过剥削可怜地工人和巧妙地躲避收税官而成功的---作出适当地反击。