1、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。
2、especially
特别;尤其
Millions of wild flowers colour the valleys, especially in April and May.
尤其是在四五月份,不计其数的野花盛开,山谷里一片绚烂色彩。
Re-apply sunscreen every two hours, especially if you have been swimming.
每两个小时重新涂一次防晒油,尤其是在游泳的时候。
格外;特别
Babies lose heat much faster than adults, and are especially vulnerable to the cold in their first month.
婴儿散热比成年人快得多,在出生后的头一个月特别容易感冒。
adj. 易受伤害的,有弱点的











