凭什么

(spoken) why? / for which reason?

variant of 憑|凭[ping2]

to lean against / to rely on / on the basis of / no matter (how, what etc) / proof

what

ten (used in fractions, writing checks etc) / assorted / miscellaneous

what? / something / anything

surname Yao

youngest / most junior / tiny / one (unambiguous spoken form when spelling out numbers, esp. on telephone or in military) / one or ace on dice or dominoes / variant of 吆[yao1], to shout

exclamatory final particle

interrogative final particle

suffix, used to form interrogative 什麼|什么[shen2 me5], what?, indefinite 這麼|这么[zhe4 me5] thus, etc

variant of 麼|么[me5]