Ч192
ЧТО-ЧТО (чего-чего и т. п. ), A...
collNP +
Conjused as a restr. marker) used to single out one thing, phenomenon
etc (or group of things, phenomena
etc) among others: что-что, a X (делать X)... = perhaps not something else, but (
s.o. will do (give
etc)) Xif anything, X is...whatever else..., but...say what you like, but...(when
foil. by a clause with negated predic) that's the last thing (
s.o. will do
etc)
чего-чего, a X-a... (чему-чему, a X-y... и т. п. ) = if there's anything..., it's X
there's one thing...and that's X.