mustn't

This is a delicate job . It mustn't be done carelessly.

这可是细活,不能瞎糊弄.

That car is my property; you mustn't use it without my permission.

这辆车是我的财产, 你必须得到我的允许才能使用.

We mustn't attempt unrestricted expansion regardless if it is within our capacity.

我们不能不顾自己的能力企图无限制地发展.

You mustn't drive into a street with a " No Entry'sign.

你切勿把车驶进有 “ 不得进入 ” 标示的街道.

In considering a problem, one mustn't mistake the nonessentials for the essentials.

看问题时, 不要把支流当作主流.

We mustn't presume too much upon the reliability of such sources.

我们不应过分指望这类消息来源的可靠性.

We mustn't lose the good qualities of the labouring people.

劳动人民的本色不能丢.

We must hold out. We mustn't be frightened by the difficulties.

我们必须顶住, 不能被困难吓倒.

You mustn't do that. It's wrong.

你不能这么做。这是不对的。

You've just been ill; you mustn't take a long walk.

病刚好, 走远路可使不得.

You mustn't put it off any longer, remember, tomorrow never comes.

你不得再拖延了, 记住切莫依赖明天.

This is a high precision job . There mustn't be the slightest slip.

这可是细活,不能有一星半点差错.

We mustn't belittle her outstanding achievement.

我们一定不能小瞧了她所取得的杰出成就。

We mustn't catch the speaker up by so many questions.

我们不该用这么多问题来打断发言人.

You are valuable to the organization, you mustn't take chances.

组织上对你很器重, 你不得掉以轻心.