完善wánshànto perfect; to improve; well-developed; comprehensiveHSK 5PronunciationwánshànExample sentence这个城市的交通系统非常完善。Zhège chéngshì de jiāotōng xìtǒng fēicháng wánshàn.The city's transportation system is very well-developed.Read and choose an answerOne fixed sampleExplore a sample