You must have noticed how tired he sometimes looks.

你一定注意到他有时候显得特别疲惫。

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I must have driven past that place thousands of times.

我得有上千次开车经过那里。

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It must have reinforced my determination to blend into my surroundings.

这势必让我更加下定决心融入周围环境。

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He must have been aware that my parents' marriage was breaking up.

他一定已经知道我父母的婚姻即将破裂。

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He must have come inside to get out of the cold.

他肯定是进来避寒的。

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Something must have gone wrong with the satellite link.

卫星连接一定出了毛病。

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The stars must have formed 10 to 15 billion years ago.

这些恒星一定是形成于100到150亿年前。

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Every room must have been stuffed with material things.

每个房间肯定都塞满了东西。

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Your life since then must have seemed very ordinary.

你的生活从那时起一定非常平淡无奇。

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You must have left a tap running in the bathroom.

你肯定忘了关浴室的龙头了。

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I must have something to tell him. Something concrete.

我必须告诉他点什么，必须是具体的东西。

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The law must have teeth, and it must be enforced.

法律必须拥有效力，而且必须强制实施。

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I closed my eyes for a minute and must have dozed off.

我闭了会儿眼，肯定是睡着了。

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He must have started writing his book a long time ago.

他一定很久以前就开始写这本书了。

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I realised that I must have imagined the whole thing.

我意识到大概整件事都是我臆想出来的。

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