|pro. which, what, who; whichever, whoever, whatever||
|par. used as 啊 but only after words ending with consonant "n"||
|char. only used in the name of a god in Chinese mythology (see 哪吒)||
|pro. which, what, who; whichever, whoever, whatever (same as 哪)||
phr. how could one know that..., who would have thought that...
phr. Who would have thought that he became a person like that?
phr. How could I know he had an allergy.
phr. (rhetoric) how could ... ever occur to sb? how could sb ever think of...?
phr. How can you possible know? (rhetorical question)