"If she says that, it must be a nice song," Colin answered.

“如果她这么说，那一定是一首好歌。”科林回答。

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"It must be a healthy place to sleep," she said, looking out through the window.

“那一定是一个健康的睡觉的地方。”她望着窗外说。

youdao

It must be a privilege to know such a man.

认识这样一个人必是一种荣幸。

《柯林斯英汉双解大词典》

It is easy to tell that it must be a cold day because several of the men are sitting near a wood stove for warmth.

VOA: special.2010.03.17

If there is atmosphere in the passage I'm about to quote from Macbeth, it must be atmosphere of a certain kind and there for a certain reason.

如果下面这篇《麦克白》里的选段有所谓的“气氛“,那这种气氛一定因为某种原因以某种形式存在着。

耶鲁公开课 - 文学理论导论课程节选

Let's search to see though now if a million is in this list, or 10 million, whichever way I did this it must be a million, right?

不管我选哪个，数都挺大的对不对？,用嘴基本的方法，噢，花的时间有点长,好，而用二分法呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

All right, it's a -- I think it must be a boy's turn now.

WHITEHOUSE: President Obama Holds Town Hall with Chinese Youth

For people with decidophobia (fear of making decisions), it must be a nightmare.

FORBES: Give me Fewer Choices -- Please!

It must be a huge crowd and I wonder where they are going to do that?

FORBES: Was A New 'Guinness World Record' For Christmas Caroling Set Tonight?