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