20. I don't know how to run the machine.　　 怎样　　 How interesting the film is !　　

However much advice you gave him , he does exactly what he wants.

19. honour 荣誉 show honour to sb向…表敬意 in honour of 向…表敬意(in member of 纪念)

　　　　 honour sb for doing 为…而给予鼓励　 graduate with honours 以优等生毕业

18. at home and abroad 在国内外　 the home market 国内市场　

17.be on holiday = be on leave = be on vacation　 在度假中

16. hold　 抓住　　 hold a baby in her arms.　　 hold the meeting 举行　 catch hold of 抓住

　 The hall can hold 8,000 students 容纳　 　The agreement still holds.协议仍有效。

hold one's attention 集中注意力　 hold out 坚持　 hold out till victory　

hold back 阻止　 hold up the whole of history.阻止历史车轮　　 hold back one's tears

hold on 别挂断；坚持　　　 Hold on please, everything will be all right.　　　　

15. historical　 历史的 historical events历史事件 historic　 历史上著名的 historic spots 古迹

14. give sb a hint　 给…一个暗示

13. hijack　 劫机

12. hesitate 犹豫　 hesitate to do做…犹豫　　 　　hesitate over/about doing 在…上犹豫

　　　　　　 hesitation　　　 do sth without hesitatation　　 have no hesitatation in doing

11. help 帮助　　 be of help = be helpful　 help out 帮助…克服困 help oneself to sth 随便吃

can't help doing 情不自禁　 can't help to do 不能有助于干…　 can't help but do... 不得不干…