怎知

zěnzhī
  1. (rhetorical question) how would someone know; someone doesn't know
  2. how would someone know; someone doesn't know
  3. who would have thought; little did one know; how was one to know

Wiktionary

Entry Composition

1 怎 zěn how
=2 知 zhī
  1. to know
  2. to be aware
=2 知 zhì
  1. (obsolete on its own in Standard Chinese) Original form of 智 (zhì, “knowing, wisdom, intelligence”).
  2. Original form of 智 (zhì, “knowing, wisdom, intelligence”).