CNN news 2009-10-08 加文本

1.Today is the eighth anniversary of the war in Afghanistan, and the biggest strategic decision could be still to come.

be still to come即将到来的 相当于imminent

例句：You must be strong to face the days still to come.
      你必须坚强地面对接下来的日子。

2.That would place more than a hundred thousand Americans’ lives at stake there.

at stake在危急关头,危若累卵

例句：He plays at cards for high stakes.
      他下很大的赌注玩纸牌。

      If the security of my country is at stake I will give my life to protect it.
      如果国家的安全受到威胁，我会不惜付出生命来保护它。

put at stake相当于 put into danger

3.Some of these officers could be dedicated to covering Chicago's schools.

be dedicated to致力于

例句：He is dedicated to this cause.
       他致力于这个目标。

4.It is, its diameter is equal to three hundred Saturns lined up side by side.

be equal to与…相等,等于…;胜任…

例句：The heat produced is equal to the electrical energy wasted.
       产生的热量等于浪费了的电能。