Your trip must have been fun!

你这次旅行一定很开心吧！

The street must have been on a slope.

那条街一定是一直在一个斜坡上。

I must have been a horrid little girl.

我以前一定是个招人讨厌的小女孩。

He must have been a stranger to the town.

他当时一定是刚到这个镇子。

His sudden reappearance must have been a shock.

他的突然再次露面一定引起了震动。

The killer must have been heavily bloodstained.

杀手身上一定沾满血污。

We must have been burgled while we were asleep.

我们睡着时一定让贼入室偷了。

I must have been blind not to realize the danger we were in.

当时我一定是眼瞎了，竟然没有意识到我们所处的危险。

Judging by the company he kept, Mark must have been a wealthy man.

根据马克所交往的人来判断，他一定是位富翁。

He must have been the most popular guy at the most popular fraternity in college.

他一定曾是大学里最受欢迎的男生联谊会中最红的人。

Even in summer this place did not look exactly hospitable: in winter, conditions must have been exceedingly harsh.

即使在夏天，这个地方看上去也并不太宜人：在冬天，条件一定非常恶劣。

How happy you must have been!

你一定很高兴！

I remember thinking the waves must have been terrible that day.

我记得我在想那天的海浪一定很可怕。

They must have been inside the building, as their fur was badly hurt.

它们一定曾经在大楼里，因为它们的毛皮受了重伤。

It must have been having a meal.

它一定是在吃饭。

That must have been Tink.

那一定是小叮当。

You must have been bored.

你一定觉得很无聊吧！

I must have been changed for Mabel!

我一定是变成了梅布尔的！

Oh, surely she must have been dreaming.

哦，她一定是在做梦。

How very, very lonely he must have been!

他一定非常非常孤独！

The eleventh day must have been a holiday?

第十一天一定是放假了？

She can't have been 29. She must have been 36.

她那时肯定不会是29岁，她一定36岁了。

"It must have been terrible," said little Gerda.

“那一定很可怕。”小小的格尔达说。

It must have been very crowded when you were there.

你在那儿的时候一定很拥挤。

Later Jenny said, "I must have been out of my mind."

后来珍妮说：“我一定是疯了。”

I must have been sitting in the same position too long.

我一定是在同样的位置上坐得太久了。

That must have been an awful experience for the little girl.

那对小女孩来说一定是可怕的经历。

The bulbs in the secret garden must have been much astonished.

秘密花园里的球球茎茎一定很惊讶。

It must have been one hell of a party.

那肯定是一次很棒的聚会。