众所周知zhòngsuǒzhōuzhīas is well known; as everyone knowsHSK 6PronunciationzhòngsuǒzhōuzhīExample sentence众所周知,空气污染对人类健康有害。Zhòngsuǒzhōuzhī, kōngqì wūrǎn duì rénlèi jiànkāng yǒuhài.As is well known, air pollution is harmful to human health.Read and choose an answerOne fixed sampleExplore a sample