wù​wèi​yán​zhī​bù​yù

don't say you weren't warned

Senses

勿谓言之不预/ 勿謂言之不預 wù​wèi​yán​zhī​bù​yù don't say you weren't warned

Literally "do not say that it was not foretold"; a stern warning or ultimatum often used in diplomatic contexts to indicate that action will be taken if a warning is ignored.

References

see 言之不预/言之不預 勿谓言之不预/勿謂言之不預