Liǎng / míng / zhèng / rén / dāng / miàn / duì / zhèng / jǐng / fāng / hěn / kuài / fā / xiàn / le / máo / dùn

两名证人当面对证，警方很快发现了矛盾。

The two witnesses confronted each other, and the police soon found a contradiction.