無可無不可

neither for nor against sth / indifferent

not to have / no / none / not / to lack / un- / -less

can't

can / may / able to / to approve / to permit / to suit / (particle used for emphasis) certainly / very

used in 可汗[ke4 han2]

none lacking / none missing / everything is there / everyone without exception

no; not so / (bound form) not; un-

cannot / should not / must not

cannot; should not; must not