Last month, a federal grand jury began mulling evidence in the case.

上个月，一个联邦大陪审团开始仔细斟酌该案的证据。

《柯林斯英汉双解大词典》

She was later indicted by a federal grand jury.

她即将被联邦高级陪审团起诉。

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He is due to be tried for lying to a federal grand jury in 2003, when he denied using steroids.

邦德斯受控于2003年联邦大陪审团面前作伪证，否认服用兴奋剂。

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Instead, the president concocted alternative scenarios that were then repeated to the federal grand jury.

CNN: Transcript: Judiciary Committee impeachment hearing

Fourthly, the president personally provided false statements under oath before a federal grand jury.

CNN

His brother, two former aides and two businessmen were also indicted by the federal grand jury.

BBC: US prosecutors indict Blagojevich