οἴνῳ τὸν οἶνον ἐξελαύνειν → chase out the wine with wine, take a hair of the dog that bit you, try to drive out the wine with wine
P. πολυτελής, δαπανηρός, P. and V. τίμιος.
in a costly way: P. πολυτελῶς.
