But you should never, ever cancel your vacation to go home.

但一定不可以取消行程回家。

Aren't prices supposed to go up? I asked.

涨价一定不对吗？我问。

" It must have been hard to sew all those letters, " Mary said.

绣些字母一定不容易，玛丽说。

They must not know about the grapes, he thought.

他们一定不知道葡萄的问题，他想。

But it's so thin. There's no way that it comes with a CD-ROM.

可是么薄。一定不可能有光驱。

They're not necessarily at odds. I think there have been some frictions.

不一定不一致。我认为是存在一些分。

" Necessary? No, I should not say that it is necessary to kill."

“一定？不，我认为不一定要杀人。”

OK. Well, it's pretty hot in Japan so you must not like summer here.

日本夏天，一定不喜欢里的夏天。

You won't believe it. My character is coming out of his coma!

们一定不相信 我演的角色就要醒过来了！

Surely that could not consist of atoms, of material things?

它一定不可能是由原子、由物质组成的吧?

A lot of people assumed that because I'm African-American, I'm not smart.

多人认为，我是非裔美籍人，所以我一定不聪明。

But instead of good present I said put something kids won't like in the box.

但是礼物裡面并不是好礼物，反而会是些小孩一定不喜欢的。

I mean, god bless Elena, but she does not understand the word " Fabulous."

愿主保佑埃琳娜，但她一定不明白什么叫" 极好的。"

No doubt, in the presence of the South Pole, the Canadian hated having to eat his words.

加拿大人一定不愿意承认南极是在他面前。

It's not necessarily unusual, but there are a few key differences that's important.

不一定是不寻常的做法，但是有几个重要的不同点。

You don't have to have capital or have started an organization.

不一定要有资本，也不一定要开设机构。

However, finding other methods is not always simple, or possible.

然而，其他方法不一定能轻易找到，也不一定有。

You must've been awfully uncomfortable on that couch.

要睡沙发，一定不舒服。

The object doesn't have to be something fancy, it doesn't even have to be real.

个物体不一定是花哨的东西，甚至不一定是真实的。

No prior musical experience is necessary.

不一定需要有音乐经验。