1. There is no doubt whatever about it.
关于这一点， 没有任何疑问。

2. I'll bet my bottom dollar that John comes late.
我敢打保票约翰肯定迟到。

3. My guess is that it will rain tomorrow.
我猜明天有雨。

4. The chances are you won't have to pay.
你大概不用付钱了。

5. I wouldn't be surprised if he got married again soon.
他要是很快再婚，我一定也不吃惊。

6. It's highly unlikely we'll be invited.
我们被邀请的可能性很小。

7. The company will do better next year, I imagine.
我觉得公司下一年会做得更好。

8. It's out of the question to leave the country without a passport.
没有护照是不可能离开一个国家的。