1. trip over绊倒
2. hurry up赶快
3. tie sth to sth把……绑到……
4. losts of/ a lot of许多
5. come over顺便来访
6. get together聚在一起
7. in the open air在户外
8. wait for等待
9. stop to do sth停下来做另一件事情
10. stop doing sth停止正在做的事情
