tiě​zuǐ​zhí​duàn

to predict with absolute certainty

Senses

铁嘴直断/ 鐵嘴直斷 tiě​zuǐ​zhí​duàn to predict with absolute certainty

Describing a fortune teller who is highly skilled and whose predictions are exceptionally accurate and trustworthy

References

variant 铁口直断/鐵口直斷 → 铁嘴直断/鐵嘴直斷