1. 说明,证实：specialize in专攻,专门研究,专业化 | testify to说明,证实 | flare up突然燃烧起来;突然发怒
2. 证明...,证实：take up with和......交往,忍受,采用 | testify to证明...,证实... | thank for感谢
3. 说明,表明：tens of thousands of 千百万 | testify to 说明,表明 | the human race 人类
4. 表明,证明：tell sth. from 区别 | testify to 表明,证明 | to an extent 在某种程度上
1. He also didn't rule out calling Petraeus to testify on Benghazi at some point.
2. And it's a good job for us that Oscar didn't, as anyone who's been to Press Club Bar can testify.
3. Some alleged victims who were cited by the prosecution are understood to now be willing to testify that she did not cheat them.
4. The statement also urges prosecutors to give serious consideration to deciding whether to compel the victims to testify against their will.
5. There is a separation of powers and advisors to the president under that constitutional principle are not generally required to go and testify in Congress.
6. Over and over again their looks connect and testify to their contentment, one that anyone who tries can feel.
7. Each of the committees has the power to convene periodical hearings in which witnesses may be summoned to testify.
8. The coroner will then begin deciding what witnesses to call to testify, a process that could take weeks.
9. The arrangement ends a lawsuit over whether former White House aides could be forced to testify about matters on which they advised the president.
10. Blair is due to testify at the inquiry at a later date.