In a court of law, someone's testimony is a formal statement that they make about what they saw someone do or what they know of a situation. (法庭上的) 证词
noun [抽象名词] (尤指法庭上的)证词,证言;证据,证明;(宗教皈依或经历的)公开表白
His testimony, however, was only one in a salvo of new attacks. 然而,他的证词是唯一进行新一轮猛烈抨击的。