"Now we must be off," said Hansel, "that we may get out of the witch's forest."

“现在我们必须离开，”汉赛尔说，“这样我们才能离开女巫的森林。”

youdao

Now we must be off right away.

我们必须马上离开。

youdao

We must be off the freeway.

我们得离开高速公路。

youdao

The iniquity of his lips must be burned off by a live angelic coal, that the sinfulness of his lips we could think of it as the sinfulness of his voice, his poetic voice -- will have to be purged.

他邪恶的嘴唇必定会被天国燃烧的煤块烧掉，他的嘴唇的罪孽,我们可以认为是他所说的话的罪孽，他的诗句必将被净化。

耶鲁公开课 - 弥尔顿课程节选

Again to be trite, we must hold off to discern whether there is a blip here or a persistent trend.

BBC: Job centre

Sure, we understand that all milk must be heat-treated or pasteurized to kill off harmful micro-organisms (in 1987 the FDA mandated pasteurization of all milk products for human consumption).

FORBES: Why Milk Isn't As "Natural" As You Think

The only other alternative is that we have our free will trampled and be told by the federal govt each parent must take a minimum of 2 years off to raise each child they have.

FORBES: Why Is Military Active Duty, "Serving Our Country," But Parenting Active Duty, "Opting Out"?