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。