It must be getting on for midnight.
一定快到半夜了。
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。
It must have happened at about five o'clock in the morning.
这件事一定发生在凌晨五点钟左右。
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 have galled him that Nick thwarted each of these measures.
尼克对每一个措施都加以阻挠，这一定激怒了他。
'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。
The plural 's' is not a free form, as it must always be attached to a noun.
表示复数的s不是自由语素，必须附着于名词。
In order that training should be effective it must be planned systematically.
为使培训有成效，必须有系统的计划。
It must be conceded that different judges have different approaches to these cases.
必须承认不同的法官会采用不同的方法来判定这些案件。
It must be noted, however, that not all British and American officers carried out orders.
然而，一定要注意，并非所有英美军官都执行命令。
It must come true sometime soon.
它一定会在将来不久变成现实。
这必须被指出来。
它一定是艾伦的。
现在一定正在下雨。
一定是那个盒子！
今天一定是阴天。
一定是锁了。
我们必须拯救它。
这准花了相当大的一笔钱。
那辆汽车肯定很了不得。
It must have been one hell of a party.
那肯定是一次很棒的聚会。
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。
He has overstepped the mark, and it must stop.
他言行出格，必须制止。
Toni reckoned that it must be about three o'clock.
托尼想一定是3点钟左右了。
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