Senses
谁知道/ 誰知道 unexpectedly
Who would have thought or imagined; used to express surprise at an unexpected turn of events
我以为今天会下雨，谁知道天气这么好。
谁知道/ 誰知道 who knows
God knows; used to express that something is unknown or unpredictable
谁知道他现在在哪里？
References
No references for this word.