CNN news 2009-09-25 加文本

1.Travolta says he signed them in the heat of the moment  thinking he would fly his son to a hospital in Florida instead of a local one.

in the heat of在最炎热的时刻,在…最热烈（或激烈）时；在（工作）最忙时

in the heat of the moment 一时激动之下

2.All we know is that it was a quick decision that Travolta made during the worst moments of his life, and that somebody was trying to take advantage of him because of it.

take advantage of利用,趁机利用,占…的便宜

例句：He took advantage of the situation.
      他得天时地利。

3.They tried to extort 25 million dollars from  the actor.

extort from勒索,敲诈,强要

例句：The local bandits extorted money from the villagers..
       土匪向村民们勒索钱财。