15. once or twice
14. have nothing to do
13. be the river
12. get tired / be tired
11. happen to sb.
某人发生了。。。/某事发生在某人身上
11. by mistake 不小心
10. Alice’s Adventures in Wonderland
爱丽斯漫游奇境
9. fall down 摔倒 / fall off 摔下来
8. smile at sb. 朝。。。笑
7. sit in a tree 坐在树上
on the tree (长)在树上