- 这个问题必须分开讨论。
This question must be discussed separately from that one.
- 在这里我必须脱鞋吗？
Do I have to take off my shoes here?
- 这个东西必须改变。
This must be changed.
- 你必须认真学习。
You must study hard.
- 您必须排队。
You have to wait in line.
- 他必须离开村庄。
He had to leave the village.
- 理论必须与实践相随。
A theory must be followed by practice.
- 我们必须放弃这个计划。
We have to abandon the plan.
- 我们必须遵守规则。
We must conform to the rules.
- 我们必须马上实行这个计画。
We must carry out the plan at once.
