Toni reckoned that it must be about three o'clock.

托尼想一定是3点钟左右了。

Whatever system you choose, it must be run in properly.

不管你选择什么样的体系，都必须经过适当的磨合。

It must be Carol's.

这一定是卡罗尔的。

It must be my mom.

这一定是我妈妈。

It must be a most unusual exhibition.

这一定是一次非常不寻常的展览。

Then it must be a popular place.

那么它一定是个受欢迎的地方。

It must be a pain in the neck.

那一定是件麻烦事。

—Gina, whose book is this? —It must be Carla's.

——吉娜，这是谁的书？ ——一定是卡拉的。

Hmm, now it must be June.

唔，现在一定是6月份了。

It must be pointed out.

这必须被指出来。

It must be that box!

一定是那个盒子！

It must be cloudy.

今天一定是阴天。

It must be locked.

一定是锁了。

It must be the window cleaner working upstairs.

一定是楼上的窗户清洁工干的。

It must be quite some car.

那辆汽车肯定很了不得。

It must be getting on for midnight.

一定快到半夜了。

I cannot conceive what it must be like.

我想象不出它会是什么样子。

It must be all of 100 metres to the car!

走到车那里一定足足有100米呀！

He thought that it must be worth billions.

他认为它一定值亿万元。

It must be knocking around here somewhere.

它肯定在这儿某个地方。

It must be a privilege to know such a man.

认识这样一个人必是一种荣幸。

It must be stressed that this disease is very rare.

必须着重指出，这种病非常罕见。

It must be worrying for you not to know where he is.

你不知道他的下落一定很着急。

I've already looked there—it must be somewhere else.

我已经去那儿看过了—肯定是在别处。

It must be better to be able to offer them love and security.

能给他们爱心和安全感肯定会更好。

It must be hard for her, bringing up four children on her own.

她一个人抚养四个孩子一定很艰难。

'It must be here somewhere,' she said, rooting through the suitcase.

“它一定就在这里的什么地方。”她一边说一边翻着衣箱。

It must be ascertained if the land is still owned by the government.

必须确定这块土地是否仍属于政府所有。

Can you imagine what it must be like to lose your job after 20 years?

你能想象得出干了20年之后被辞退会是什么样的滋味吗？

This book is of such importance that it must be published at any cost.

这本书如此重要，无论如何也要出版。