He must recognize by now that he will be a one-term, increasingly lame duck president.到目前为止他得认识到，自己将是一位只有一届任期、权力越来越小的跛脚鸭总统。After the mid-terms, the President becomes a lame duck, simply sitting out the time until retirement.任期过半之后，总统就成了跛脚鸭，只是混日子坐等退休了。The accident had left him with a slight limp.这起事故后，他有一点儿跛脚。