不置可否

decline to comment / not express an opinion / be noncommittal / hedge

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

to install / to place / to put / to buy

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

used in 可汗[ke4 han2]

is it possible or not?

to negate / to deny / not

clogged / evil