6. at the start of = at the beginning of 在…开始 in the middle of 在…中间时候 at the end of 在…结束的时候(地点、时间)

5. more than = over 多于　 less than 少于　 jump over 跳过， jump off 从…上跳下来　

4. have a car / traffic accident 出…事故　　 by accident = by chance 偶然，碰巧　　 I met him by accident yesterday .

3. millions of , thousands of , hundreds of　 成百万上千万，成千上万，成百上千　 hundreds of trees

1. give a concert to sb in +地方 = give sb a concert in +地方　 在某地为某人举行音乐会 2. million / hundred / thousand 前为确定的数字时用单数。3 million , 45 thousand　　 230 hundred

3.　　　 one of … 表…之一　 One of our classmates looks like Jordan .　　　 work out 解决、算出…

Lesson 38

2.　　　 give / make a concert 开音乐会　 go to a concert 去听音乐会　 in / at the concert 在音乐会上

1.　　　 be famous for 因…而著名　 be famous as 以(身份)而著名　 be famous to sb　 对于某人来说是著名

　 Hangzhou is famous for the West Lake .　 Xu Beixiong was famous as an artist .　 The popular songs is famous to students.

5.　　　 catch 赶上…(汽车，飞机，火车)　 catch up with 赶上某人　 be good at = do well in　 擅长做…

Lesson 37

4.　　　 all day 整天　 all night 整夜　 all day and all night整天整夜