VOA慢速英语:Obama, Hillary Clinton Speak Out Against Anti-Gay Bullying

speak out against公然反对,大胆抗议

例句：No one dared to speak out against the injustice.
      没人敢对不公正行为表示公开反对。

2.I don't know what it's like to be picked on for being gay.

pick on招惹, 找茬儿; 责备

例句：The older boys always picked on the younger ones.
      大孩子总是招惹小的孩子。

      She felt that her teacher was always picking on her.
      她觉得老师老是找她麻烦。

3. And for a lot of kids, the sense of being alone or apart -- I know can just wear on you.

wear on厌烦，烦恼

4.Like millions of Americans, I was terribly saddened to learn of the recent suicides of several teenagers across our country after being bullied because they were gay or because people thought they were gay.

这句话的主干是：I was terribly saddened to learn，后面是获悉的详细内容。after being bullied是时间状语，because引导原因状语从句。