We must be well prepared, there must be no slips.

我们必须好好准备，一定不要有差错。

《柯林斯英汉双解大词典》

The surface must be well prepared before you start to paint.

一定要把表面打磨好再开始粉刷。

《牛津词典》

The second key to being a good speaker is to follow the motto of the Boy Scouts: be well prepared.

成为一个优秀的演讲者，关键之二在于遵循童子军的座右铭：做好准备。

youdao

President Obama has already indicated he would be willing to engage Cuba in a well-prepared diplomatic dialogue.

VOA: standard.2009.04.13

Well,if you're prepared to say that, then indeed you will be able to say, yeah,it's the body view.

如果你打算那么说，那你确实可以认为，这是肉体理论。

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The United States is seeking assurances from Mr.Netanyahu that such an incident will not be repeated, as well as pledges that it is prepared to discuss all of the core issues of the Middle East peace process - including Jerusalem - in talks with the Palestinians.

VOA: standard.2010.03.16

The minister said he wants new teachers to be well prepared when they start working in schools.

BBC: NEWS | UK | Scotland | Teacher training to be 'flexible'

Of course, whatever the results, she will be well prepared to tout how great the first quarter was.

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However, Dr Rosemary Geller said the island would be well prepared to deal with a case of the respiratory virus.

BBC: Island 'prepared' for swine flu