1、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(wèn)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(guó)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(guó)的反對(duì)。

2、intelligent

聰穎的;有才智的;有靈性的

Susan's a very bright and intelligent woman who knows her own mind.

蘇珊是個(gè)非常聰明、有主見(jiàn)的女子。

lively and intelligent conversation.

生動(dòng)有趣、聰明睿智的談話

能思維的;智能的

An intelligent computer will be an indispensable diagnostic tool for doctors.

智能計(jì)算機(jī)將成為醫(yī)生不可或缺的診斷工具。

the biggest-ever search for intelligent life elsewhere in the universe.

有史以來(lái)規(guī)模最大的尋找外星智能生命的行動(dòng)