- 1.   
证明;证实  -  
• The witness testified that he saw the defendant at the scene of the crime. 证人证实他在犯罪现场目击了被告。 - 2.   
申明;公开承认  -  
• She testified her faith in Christianity openly. 她公开声明自己信仰基督教。 
- 1.   
证明;作证  -  
• It would not be easy to testify against your friends. 对朋友作出不利的证词很困难。 -  
• I testify to his honesty. 我证明他很诚实。 - 2.   
正式 表明  -  
• His nervous behaviour testified to the strain he was under. 他的局促不安表明他很紧张。