1、get through

完成（任務）；干完（工作等）

I think you can get through the first two chapters.

我想你能完成前兩章。

度過，熬過（困難或不快的時期）

It is hard to see how people will get through the winter.

難以想象人們將怎樣熬過這個冬天。

We couldn't get through a day without arguing.

我們沒有一天不拌嘴的。

使理解；使明白

An old friend might well be able to get through to her and help her.

也許一個老朋友能讓她明白并且幫助她。

The message was finally getting through to him.

他終于明白了這一點。

（法案、提案）正式通過，獲得批準

if his referendum law failed to get through.

如果他的全民公決法案未獲通過

Such a radical proposal would never get through parliament.

如此激進的提案永遠不會得到議會的批準。

2、challenge

挑戰;難題

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

我喜歡大的挑戰，而所有挑戰中再沒有比這更大的了。

The new government's first challenge is the economy.

新政府面臨的第一個難題是經濟問題。

(成功地)應對挑戰，迎接挑戰

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

一個嶄新的德國必須迎接挑戰，承擔更多的責任。

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

他們一個下午成功接待了80名學童。

懷疑，質疑(真實性、價值、權威等)

Democratic leaders have challenged the president to sign the bill.

民主黨領袖對總統簽署這項法案提出了質疑。

The move was immediately challenged by two of the republics.

此項動議立即遭到其中兩個共和國的反對。