1、statement

(正式或明确的口头或书面)陈述，声明

Andrew now disowns that statement, saying he was depressed when he made it.

安德鲁现在推翻了那个说法，说那是自己在情绪低落时说的话。

'Things are moving ahead.'— I found that statement vague and unclear.

“事情正在取得进展。”——我认为这个说法含糊不清。

(为某一场合特别发表的)官方声明，正式声明

The statement by the military denied any involvement in last night's attack.

军方发表声明称其和昨晚的袭击无任何关系。

证明(儿童)有特殊教育需求

Nearly a year later, it was agreed that Tom would be statemented.

近一年后，汤姆被批准将获得特殊教育。

I had eight statemented children in my class.

我的班里有 8 名需要接受特殊教育的孩子。

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。