So be sure to check the weather.

所以一定要查看天气。

You take good care of it. I will.

一定要好好珍惜它 我一定会的。

Participating doesn't necessarily involve a huge time commitment.

参加并不一定意味着要投入很多时间。

Make sure that your clothes are appropriate.

一定要衣着得体。

And it seems like a plausible enough view.

这个观点似乎有一定的说服力。

They must find you very entertaining, then.

那么他们一定发现你特别有趣。

I shall be silent as the grave.

我一定守口如瓶。

You got to win tomorrow, you got to win right now.

明天你一定要赢，现在你一定要赢。

And I say, you do not have to be ruthless, you have to be smart.

我说并不一定 但一定要聪明。

Well. They must have done it that way.

他们一定就是这么做的。

And I entrust this intention to your prayers.

我相信你们一定可以做到。

She must resent me so bitterly.

她一定恨死我了。

Not all witches feel that way though, surely.

一定不是所有女巫都感觉那样的。

Take your makeup off before you go to bed.

睡前一定要卸妆。

The opening ceremony, that will be really cool. I think it will be awesome.

开幕式一定会很酷。我觉得一定会很精彩。

Still seems real nice of you. You must've been friendly.

你一定很善良 你们俩关系一定很要好吧。

No prior musical experience is necessary.

不一定需要有乐经验。

The rain should account for the accident, partly.

一定程度上，这场雨应该是事故原因。

Always keep the rhythm in your feet.

首先脚步一定要跟上节奏。

Why, that must mean the stake yonder; that must be the mark.

那一定代表着那里的木桩，记录一定是说的那里。