block out (blocking,blocked,blocks)

• 1.  

  PHRASAL VERB（动词词组） If someone blocks out a thought, they try not to think about it. 排除 (想法)

  例：

  She accuses me of having blocked out the past.

  她指责我忘记了过去。

• 2.  

  PHRASAL VERB（动词词组） Something that blocks out light prevents it from reaching a place. 遮挡 (光线)

  例：

  He pulled down the shades, blocking out the bright sunlight.

  他拉下了窗帘，遮挡住强烈的阳光。