重点讲解：
1. be surrounded by
围绕；环绕；
eg. The small churchyard was surrounded by a rusted wrought-iron fence.
不大的教堂墓地周边围着一圈生锈的熟铁栅栏。
eg. We are surrounded by dangers.
我们的处境危机四伏。
2. speak out
公开表白；大胆说出；
eg. He has the courage to speak out what he thinks right.
他敢于说出他认为正确的东西。
eg. Even then, she continued to speak out at rallies around the country.
即便到了那个时候，她还继续在全国各地的集会上公开发言。
3. rather than
而非；胜于；而不是；
eg. The problem was psychological rather than physiological.
问题是心理方面的而不是生理方面的。
eg. It is better to express your anger, rather than bottle it up.
生气最好发泄出来而不要闷在肚内。
