HSK 6
众所周知
zhòngsuǒzhōuzhī(idiom) as everyone knows
众所周知运动有益身体健康。
Zhòng suǒ zhōu zhī yùn dòng yǒu yì shēn tǐ jiàn kāng.
As everyone knows, exercise benefits health.
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New in the HSK 3.0 word list at level 6.