Harry1 learned2 that there were seven hundred ways of committing a Quidditch foul and that all of them had happened during a World Cup match in 1473; that Seekers were usually the smallest and fastest players, and that most serious Quidditch accidents seemed to happen to them; that although people rarely died playing Quidditch3, referees had been known to vanish and turn up months later in the Sahara Desert4.
析：宾语从句：that there were…and that all of them…that Seekers were…and that most serious…that although people…in the Sahara Desert
1.get through 完成；处理
例：There's a lot to get through.
①get in/get into sth. 当选；被录取
例：He wanted to go to Cambridge, but he didn't get in.
②get back to sth. 继续（做……）
例：Anyway, I'd better get back to work.
③get sth. across 使被理解；使被传达
例：This is the message that we want to get across to the public.
2.turn up 出现；露面
例：He's still hoping something will turn up.
①turn out 最终发现
例：It turns out that she had known him when they were children.
②turn sth./sb. down 拒绝
例：He turned down the job because it involved too much travelling.
①turn the corner 好转；渡过难关
例：After nine months of poor sales we've finally turned the corner.
②turn the other cheek 不予还击；容忍
例：Neither nation is renowned for turning the other cheek.
3.save sb. from sth 把某人从……救起；拯救……免于
例：We need to save a rare species from extinction.
①save on sth. 节省，节约
例：It was a warm winter, so we saved on electricity.
②save (sth.) up 储蓄，存（钱）
例：She's saving up for a new bike.
相关俚语：save the day 转危为安
例：The team seemed to be heading for disaster until a late goal saved the day.