众所周知

zhòng suǒ zhōu zhī

as everyone knows

Character by character

众zhòng
all

所suǒ
what is

周zhōu
universally

知zhī
known

众所周知，抽烟对身体有害。

As everyone knows, smoking is bad for your health.

Tone: neutral.

Usually opens a sentence, followed by a comma; a formal-leaning 'as is well known'.

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