must obey
必须遵守
must follow
必须遵循
must have
必须有
must do
必须做
must attend
必须参加
must be
一定；一定要；肯定是
must have been
一定（对过去事实肯定的推测）
must have done
必定做了…（表示对过去的推测）
must be going
该告辞了；必须去
must be off
[口]该走了
must needs
偏要；偏偏
must be valid
必须实事求是
it must be her.
一定是她。
they must prove their innocence.
他们必须证明自己的清白。
it must be mealtime soon.
很快就到吃饭时间了。
this video is a must for everyone.
这录像每一个人都该看看。
there must be some mistake.
这肯定有某种错误。
They must obey the throne.
他们必须服从王权。
We must be -ling.
我们要走了。
This car must go.
这辆车必须卖掉。
There must be a catch in this plan.
这计划肯定有鬼。
He must be mad.
他一定是疯了。
A scientist must be objective.
科学家必须客观。
They must preserve their solidarity.
他们必须维护他们的团结。
This story must be abridged.
这篇小说必须加以删减。
This must be your doing.
这一定是你做的。
I must go for a pee.
我得去小便。
探索常用高频词汇