failed的用法后加什么

　　Several students failed to reach the required standard.

　　有幾名學生沒有達到規定的標準。

　　The government has failed to reverse the economic decline.

　　政府未能扭轉經濟滑坡的趨勢。

　　She failed to get into art college.

　　她未能進入藝術學院。

　　The government failed to keep its promise of lower taxes.

　　政府未能兌現減稅的承諾。

　　The project failed for want of financial backing.

　　這個項目由于缺少財政支援而告吹。