每日一詞 643 go through the roof：超過了最高極限

今天我們要學的詞是go through the roof。 Roof是房頂?shù)囊馑肌o through the roof沖破房頂，意思就是超過了最高極限。"The unemployment rate went through the roof," 失業(yè)率飛漲。"Due to shortages, the price of wheat has gone through the roof," 由于供應不足，小麥價格飛漲。一周來，豬流感的爆發(fā)引起了普遍擔憂。"The panic level concerning Swine Flu is going through the roof," 民眾對豬流感極度關心。

因為擔心奧巴馬新政府限制槍支自由，"Gun sales have gone through the roof in recent months," 最近幾個月的槍支銷售量暴漲。好的，今天我們學習的詞是 go through the roof...