1.supervise vt.vi.监督, 管理

例句：The group leader supervises a dozen workers.
      组长管十二个工人。

      The architect supervised the building of the house.
      建筑工程师监督房子的施工。

2.stack vt.堆积,堆满,做牌

例句：The acrobats stacked themselves up with amazing agility.
      杂技演员们以惊人的敏捷动作表演叠罗汉。

3.enforce vt.实施,执行;强制,强迫;加强

例句：The teacher enforced the principle by examples.
      这教师引用实例极力强调这原则。

4.award vt.颁发,赏给

例句：The University awarded him an honorary degree.
      这所大学授给他名誉学位。

5.assassinate vt.暗杀,行刺

例句：They were plotting how they would assassinate the president.
      他们正秘密策划将如何暗杀总统。

1.Mister Rowan opened many doors for African Americans.

open doors for创造机会，使……成为可能

例句：I think your new job will really open doors for you.
      我认为你的新工作会给你机会。

2.Bessie Taylor Gwynn made sure that Carl finished high school. And he did. He graduated at the top of his class.

make sure查明,弄清楚;保证,务必

例句：Make sure to turn off the light before you leave.
      临走前一定要熄灯。

3.The group does a show every year that makes fun of the American political process.

make fun of嘲弄, 取笑
 
例句：It is wrong to make fun of a cripple.
      嘲笑残疾人是不对的。