1、
The witness perjured herself by lying about what she did on the night o the crime.
证人对事发当晚所做的事情作了伪证.
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2、
3、
The witness perjured himself by lying about what he saw on the sight of the murder.
证人谎称他目睹了那晚上的谋杀,他作了伪证.
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4、
