重点讲解：
1.get a line on 得到情报
例句：I try to get a line on sth.
我想打听到某事。

2.get better at 变得更善于
例句：It's a matter of pride, and a real pleasure, to get better at your job.
是骄傲和真正的快乐，让你把工作做得更好。

3.you could make it 你能来
例句：Do you think you could make it to Wednesday night ?
你想周三晚聚会你能出席吗？

4.mess up 搞砸
例句：He messed up his room with all his dirty clothes.
他把他的房间用脏衣服搞得一团糟。