肝胆相照
gān​dǎn​xiāng​zhào

to be utterly sincere

Senses

肝胆相照/ 肝膽相照 gān​dǎn​xiāng​zhào to be utterly sincere

to treat each other with absolute sincerity and total devotion; often used to describe deep friendship; similar to 披肝沥胆 pī​gān​lì​dǎn

References

synonym 肝胆相照/肝膽相照 → 披肝沥胆/披肝瀝膽
antonym 尔虞我诈/爾虞我詐 → 肝胆相照/肝膽相照
antonym 明争暗斗/明爭暗鬥 → 肝胆相照/肝膽相照
synonym 披肝沥胆/披肝瀝膽 → 肝胆相照/肝膽相照
antonym 口头之交/口頭之交 → 肝胆相照/肝膽相照