1. look up sth. in a dictionary在词典上查单词
2.at the same time同时3.write down写下
4.sing along with the music跟着音乐唱歌
5. be afraid to do sth.害怕做某事
6. make a (silly) mistake犯(愚蠢的)错误
7. laugh at嘲笑
8. right now立刻;马上