witness against the accused meaning in Chinese

• 证明被告有罪

• witness:    n. 1.证据；证实，证明。 2.证 ...
• against:     Are you for ...
• accuse:    vt. 1.非难，谴责。 2.因某事 ...

Examples

1. Several people witnessed against the accused
   几个人作了不利于被告的证明。