尽人皆知

尽人皆知 [jìn rén jié zhī]

1. ■ be known to all; be common knowledge; be universally [widely] known; be well-known; Every barber knows that ...; give notice to all; make known to the public:

尽人皆知， 张作霖是被日本人谋杀的。 It is common knowledge that Zhang Zoulin was murdered by the Japanese.