vt.
作证；证实，证明：
She testified under oath that the defendant was innocent.
她发誓证明被告无罪。
to testify someone's honesty
证明某人诚实
声明；表明；表白：
to testify one's regret
说对不起，表示歉意
The boss testified his appreciation of Tom's work by raising his pay.
老板给汤姆加薪，以示对他的工作的赞赏。
[古语]宣称；确言
vi.
作证；证实：
He testified against the accused.
他作了不利于被告的证词。
His friends will testify for him.
他的朋友们将为他作证。
Brayne testified for the plaintiff.
布雷恩为原告作证。
表明；证明(与to连用)：
a look testifying to his impatience
显示他已不耐烦的脸色
to testify to one's genius
证明了某人的天赋
变形：
vt.
testified
. testifying