Be sure to do sth
务必───must;去───go
We must not rush into anything without careful planning.───任何事情我们没有经过仔细筹划就不可贸然行事.
This structure must be stable.───这种结构一定很稳固。
We are in the same boat; we must help each other.───我们既然同舟, 就要共济.
She asked the nurse how long her agony must last.───她问护士,她的极端痛苦要延续多久.
A dancer must throw herself heart and soul into every performance.───舞蹈演员对每一场演出都必须尽心尽力.
We must have the wall redone.───我们必须将那面墙重修一下.
A buxom widow must be either married , buried or shut up in a convent.───寡妇门前是非多.
We must set realistic goals.───我们必须制订可实现的目标。
Sorry, I must have dialled the wrong number.
Desperate diseases must have desperate cures.
What goes up must come down.Isaac Newton
We must reinforce the troops at the front.
Children under 14 must be accompanied by an adult.