BBC news 2010-01-24 加文本

burn to the ground 轰然倒地，一蹶不振，彻底毁灭，烧毁，全部烧毁

to burn/raze sth to the ground 把某物烧成平地/夷为平地

2.But the authorities say there had been no new signs of life in the past three days, prompting them to call off the official search operation.

call off叫走,放弃,使转移走

例句：The nervous Bride decided to call off the wedding.
      紧张的新娘决定取消婚礼。

      They call the strike off.
      他们取消了罢工。

3.The United States is determined to turn into whole accountable anyone who commits crimes against the Iraqi people.

be determined to决心,决定

例句：They are determined to smite the invaders hip and thigh.
      他们决心狠狠打击侵略者。

      George was determined to break off with those racists.
      乔治决心和那些种族主义者一刀两断。

4.The Islamic Courts used to oppose the government but are now working with it against more hard-line Islamist factions, such as Al Shabab which broke away from the UIC.

break away from摆脱,脱离

例句：I luckily managed to Break away from my awful marriage.
      我幸运地从可怕的婚姻中逃脱。