primed

They have primed the explosive device.

他爆炸装置起爆。

The witness at the trial had been carefully primed by defence lawyers.

被告律师对出席审讯的证人事先作了仔细的指导。

As a reporter, you must be well primed with facts before you start to write your article.

作为一名记者, 在撰稿前先要拥有充足的事实。