who; which; what

strokes 11
strokes after radical 8
人非生而知之者,孰能无惑 人非生而知之者,孰能無惑 ren2 fei1 sheng1 er2 zhi1 zhi1 zhe3 - shu2 neng2 wu2 huo4
Knowledge is not innate to man, how can we overcome doubt?; We are not born with knowledge, how does one achieve maturity? (i.e. without guidance from a teacher - Tang dynasty essayist Han Yu 韓愈|韩愈)

是可忍,孰不可忍 是可忍,孰不可忍 shi4 ke3 ren3 - shu2 bu4 ke3 ren3
if this can be tolerated, what cannot? (idiom); enough is enough

孰料 孰料 shu2 liao4
who would have thought?; who could have imagined?; unexpectedly

孰真孰假 孰真孰假 shu2 zhen1 shu2 jia3
what is true and what is fake