见证jiànzhèngto witness; witness; testimonyHSK 7-9PronunciationjiànzhèngExample sentence他亲眼见证了这座城市的巨大变化。Tā qīnyǎn jiànzhèng le zhè zuò chéngshì de jùdà biànhuà.He personally witnessed the tremendous changes in this city.Read and choose an answerOne fixed sampleExplore a sample