重点讲解：
1. be good at 擅长的；精通的；能干的；
例句：He is very good at talking opponents over to his viewpoint.
他善于说服对手改变立场转而赞成他的观点frp[*^g;,qR&G4G。
2. set out 开始；着手；
例句：The government set out to remove the dead hand of the state from economic life.
政府已在著手消除经济领域里的这一痼疾vjCRl9~2VB;Z^&ox2F62。
3. show up 出现；露面；
例句：Many TV stars show up in the evening party.
许多电视明星出现在晚会中uZcN6kg^h!(^g6K@D。
4. in the long run 从长远来看；
例句：In the long run, one should save money for emergencies.
从长远看，应该存钱以备不测4QPgKZmqj=bh。