这座港口见证了城市从渔村转型为国际物流枢纽的过程。Zhè zuò gǎngkǒu jiànzhèng le chéngshì cóng yúcūn zhuǎnxíng wéi guójì wùliú shūniǔ de guòchéng.This port witnessed the city's transformation from a fishing village into an international logistics hub.
朋友们都来见证了他们的婚礼。Péngyoumen dōu lái jiànzhèng le tāmen de hūnlǐ.All their friends came to witness their wedding.
他是这件事的唯一见证人。Tā shì zhè jiàn shì de wéiyī jiànzhèngrén.He is the only witness to this matter.