1.lurk 潛伏;潛藏
Hidden dangers lurk in every family home.
每個家庭都存在潛伏的危險 。
2.surge 劇增
Specialists see various reasons for the recent surge in inflation.
專家認為最近通貨膨脹加劇有各種原因 。
3.crack down 嚴厲打擊
The government has cracked down hard on those campaigning for greater democracy.
政府嚴厲打擊了那些爭取更多民主的人 。
4.run-up 前夕
The company believes the products will sell well in the run-up to Christmas.
該公司相信這些產品在圣誕節(jié)前夕將會銷得很好 。