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、respect

尊敬;敬重;尊重

I want him to respect me as a career woman.

我希望他把我当作一个职业女性来尊重。

He needs the advice of people he respects, and he respects you.

他需要从他敬重的人那里获得建议，而他一向都很敬重你。

恕我直言，恕我冒昧(用于礼貌地表示不同意见或批评)

With respect, Minister, you still haven't answered my question.

部长，恕我冒昧，您还没有回答我的问题。

With respect, I hardly think that's the point.

恕我直言，但我认为这不是重点。