1、porgress
进步;进展
The medical community continues to make progress in the fight against cancer.
医学界在抗癌的斗争中不断取得进步。
The two sides made little if any progress towards agreement
双方在达成协议方面的进展甚微。
进展;进程
The Chancellor is reported to have been delighted with the progress of the first day's talks.
据报道,总理对第一天会谈的进展表示满意。
Ellen would keep me abreast of the progress by phone.
埃伦会通过电话及时向我通报进展情况。
进步;进展;发展;改进
He will visit once a fortnight to see how his new staff are progressing.
他会每两个星期来访一次,看看他的新员工进展如何。
Were you surprised that his disease progressed so quickly?
他的病情发展得这么快,您是否感到意外?
2、challenge
挑战;难题
I like a big challenge and they don't come much bigger than this.
我喜欢大的挑战,而所有挑战中再没有比这更大的了。
The new government's first challenge is the economy.
新政府面临的第一个难题是经济问题。
(成功地)应对挑战,迎接挑战
The new Germany must rise to the challenge of its enhanced responsibilities.
一个崭新的德国必须迎接挑战,承担更多的责任。
They rose to the challenge of entertaining 80 schoolchildren for an afternoon.
他们一个下午成功接待了80名学童。
怀疑,质疑(真实性、价值、权威等)
Democratic leaders have challenged the president to sign the bill.
民主党领袖对总统签署这项法案提出了质疑。
The move was immediately challenged by two of the republics.
此项动议立即遭到其中两个共和国的反对。