1、confirm

證實(shí)，證明(情況屬實(shí))

X-rays have confirmed that he has not broken any bones.

X光片證實(shí)他沒有骨折。

These new statistics confirm our worst fears about the depth of the recession.

這些新的統(tǒng)計(jì)數(shù)據(jù)證實(shí)經(jīng)濟(jì)衰退已經(jīng)嚴(yán)重到我們最為擔(dān)憂的境地。

（某人）證實(shí)，肯定，確認(rèn)

The spokesman confirmed that the area was now in rebel hands.

這位發(fā)言人證實(shí)該地區(qū)現(xiàn)已落入叛亂分子手中。

He confirmed what had long been feared.

他證實(shí)了人們長期以來的擔(dān)心。

使堅(jiān)定，使確信(自己的決定、信仰或觀點(diǎn))

It has confirmed me in my decision not to become a nun.

這使我更加堅(jiān)定了不做修女的決心。

2、challenge

挑戰(zhàn);難題

I like a big challenge and they don't come much bigger than this.

我喜歡大的挑戰(zhàn)，而所有挑戰(zhàn)中再?zèng)]有比這更大的了。

The new government's first challenge is the economy.

新政府面臨的第一個(gè)難題是經(jīng)濟(jì)問題。

(成功地)應(yīng)對(duì)挑戰(zhàn)，迎接挑戰(zhàn)

The new Germany must rise to the challenge of its enhanced responsibilities.

一個(gè)嶄新的德國必須迎接挑戰(zhàn)，承擔(dān)更多的責(zé)任。

They rose to the challenge of entertaining 80 schoolchildren for an afternoon.

他們一個(gè)下午成功接待了80名學(xué)童。

懷疑，質(zhì)疑(真實(shí)性、價(jià)值、權(quán)威等)

Democratic leaders have challenged the president to sign the bill.

民主黨領(lǐng)袖對(duì)總統(tǒng)簽署這項(xiàng)法案提出了質(zhì)疑。

The move was immediately challenged by two of the republics.

此項(xiàng)動(dòng)議立即遭到其中兩個(gè)共和國的反對(duì)。