1、step up
增加(數量等);提高(速度、強度等)
He urged donors to step up their efforts to send aid to Somalia.
他敦促各捐贈方加快速度將援助物資送往索馬里 。
Security is being stepped up to deal with the increase in violence.
正在加強安保工作以應對日益增多的暴力活動 。
2、bring down
使(政府或當權者)垮臺
They were threatening to bring down the government by withdrawing from the ruling coalition.
他們威脅要退出執政聯盟,讓政府垮臺 。
His challenge to Mrs Thatcher brought her down.
他的挑戰導致了撒切爾夫人的下臺 。
射落;擊落;擊倒
Military historians may never know what brought down the jet.
軍事史學家們可能永遠也不會知道是什么擊落了這架噴氣式飛機 。
3、hunt down
追捕到,窮追直至找到(罪犯、敵人等)
Last December they hunted down and killed one of the gangsters.
去年12月他們追捕到其中一名匪徒并將其擊斃 。
Those who do not come forward should be hunted down.
對于那些不肯自首的罪犯應予緝拿歸案 。
4、establish
建立;創立;設立;制定
The UN has established detailed criteria for who should be allowed to vote.
聯合國已經制定了有關投票資格的標準細則 。
The School was established in 1989 by an Italian professor.
這所學院由一名意大利教授于1989年創建 。
建立,開始(聯系)
We had already established contact with the museum.
我們已經和那家博物館建立了聯系 。
Singapore and South Africa have established diplomatic relations.
新加坡和南非已經建立了外交關系 。
確定;查實;證實
Medical tests established that she was not their own child.
醫學化驗證實她不是他們的親骨肉 。
It will be essential to establish how the money is being spent.
查清楚這筆錢將作何用途至關重要 。