证人提供了宣誓的证词。

The witness gave a sworn testimony.

证人在法庭上虚假地作证。

The witness falsely testified in court.

律师在法庭上审问证人。

The lawyer question the witness in court.

证人在法庭上可信地作证。

The witness testified credibly in court.

法官断言了证人的证词。

The judge affirmed the witness's testimony.