1. indeed 的確
2. surely 無疑,
3. however 然而,
4. obviously 顯然,
5. frankly 坦率地說,
6. naturally 自然,
7. luckily (或happily)for sb. 算某人幸運,
8. fortunately / luckily 幸好,
9. honestly 真的,
10. briefly 簡單地說,
11. strange to say 說也奇怪,
12. needless to say 不用說,
13. most important of all 最為重要是,
14. in a few words(或 in sum, in short)簡而言之,
15. in other words 換句話說,
16. in a sense 在某種意義上,
17. in general 一般說來,
18. in my view 在我看來,
19. in conclusion 總之,
20. in summary 概括地說,
21. in fact 事實上,
22. in the first place 首先,
23. in addition 此外,
24. of course 當然,
25. to my knowledge 據(jù)我所知,
26. for instance (或example)例如,
27. as a matter of fact 事實上,
28. strictly speaking 嚴格地說,
29. generally speaking 一般地說,
30. judging from... 根據(jù)...判斷
31. to be sure 無疑,
32. to sum up 概括地說,
33. to tell the truth 老實說,
34. I am sure 我可以肯定地說,
35. I believe 我相信,
36. I wonder 我不知道,
37. that is 也就是說
38. it seems 看來是,
39. as I see it 照我看來,
40. what is important (serious) 重要(嚴重)的是,
(來源:滬江英語)