您要查找的是不是：
- They must be so troubled. 他们一定很不好受。
- The morals of good men must be irreproachable and they mustn't be so indifferent to the things causing harm to society. 好人在道德上必须是无可指责的，他们也不应当对社会的事情熟视无睹。
- "There did not expect was so hot, hot in Bali, Indonesia also, of course, they must be removed. “没想到这里竟然这么热，比印尼巴厘岛还热，当然这些都是不能改变的。
- There are some prisoners who are so dangerous to other inmates so threatening to prison guards that they must be put into the most secure of all correctional facilities. 有些极端危险的囚犯，对于和他们一起服刑的囚犯和看管他们的警卫都是严重的威胁。因此必须把他们置于守卫最森严的监狱，那里所有的设备都是经过特殊设计的。
- No answer -- they must be out visiting. 没有人接电话--他们准是出门了。
- The door's locked, so plainly they must be out. 这门锁着，明摆着他们不在家。
- So, they must be very magnificent, I think. 我想那一定很壮观。
- They must be so upset. 他们一定很恼怒吧。
- They must be so miserable. 他们一定很悲伤。
- They must be so fed up. 他们一定极其厌倦了。
- They must be so annoyed. 他们一定很恼怒吧。
- They must be so unhappy. 他们一定很不高兴。
- It's half past three. They must be in by now. 三点半了，他们肯定己经回来了。
- His action are so irrational that I think he must be off his chump. 他的行为毫无理智，我认为他一定是疯了。
- The footprints are quite distinct; they must be fresh. 足迹清晰易辨，一定是不久前留下来的。
- They must be taught how to use their speech organs. 必须教他们如何使用发音器官。
- Somehow they must be clawed down. 他们无论如何得揍下来。
- They must be planning a conspiracy. 他们一定在策划一个什么阴谋。
- They must be so disappointed. 他们一定很失望吧。
- They must be anxious to know the particulars. 他们一定急于知道详细情况。
