CNN news 2011-08-06 加文本

短语讲解：

1. We are here to announce the results to date, and I emphasize to date, of Operation Delego, a critical and ongoing investigation that was launched in December of 2009.

to date至今, 直到今天, 到目前为止
例句：To date he has done half the work.
至今他已完成这项工作的一半。

2. And yet since he was forced to step down, because of the revolution, we've been getting almost weekly updates on how frail he is, on how he's in a coma, on how he's depressed.

step down辞职，下台
例句：The manager had to step down on account of poor health.
那位经理由于身体不好, 只能辞职不干。
because of因为, 由于
例句：I came back because of the rain.
因为下雨, 所以我回来了。

3. Forecaster with the national weather service tells me that we could come close to seeing those temperatures today.

come close to接近
例句：We can see comets only when they come close to the earth
只有当彗星接近地球时,我们才能看得见它们。