1,他是做什么的 what does he do?
2,一个好的侦探从不仓促作决定（jump有仓促的意思,表示草率）
a good detective never draw any conclusion without thinking through.
3,她的英语比她们班别的任何一个同学的都好
her english is the best in her class.
4,刚才有一个电话找你（was表过去）
someone called you
5,那个女孩23岁的时候完成了学业
the girl graduated at 23