BBC news 2010-03-27 加文本

1.These clashes came around in an attempt by militant groups in Gaza to capture another Israeli soldier to add to Gilad Shalit who's now been held for more than three years.

come around发生

例句：Such a thing shouldn't come around.
       这样的事情不应该再发生了。

add to增加, 加强

例句：This lesson adds to the value of the book.
      这一课增加了这本书的价值。

      Since then, the palace has often been added to, rebuilt and repaired.
      从那以后, 那座宫殿不断得到扩建和修缮。

2.But so far the South Korean government is taking a cautious line, saying that the cause is still unknown, and the rescue operation remains the priority.

take a cautious line采取谨慎的态度

take a ……line,是指采取什么样的方针，态度，前面的形容词可以根据需要作出改变。

3.He just clocked the fastest lap during practice for Sunday's Grand Prix in Melbourne and was pulled over when he skidded as he drove his private car out of the race circuit.

pull over靠向路边

例句：The tourists signaled the driver to pull over.
       游客们招呼司机把车开到路边。

      The boat pulled over to the shore.
      小船靠了岸。

4.He even went further than that by asking for a re-run of the poll in what he described as problematic provinces.

further than that不仅如此，此外，相当于in addition to that。