Т-31

ХОТЬ (ХОТЙ) БЫ И ТАК coll indep. sent these forms only fixed WO

(used in response to some statement) although what has just been stated is true, there is nothing special or bad about it, there is no reason to exaggerate its importance etc

so what(!)

what of it(!). «Инквизитор твой не верует в бога, вот и весь его секрет!» - «Хотя бы и так!» (Достоевский 1). "Your Inquisitor doesn't believe in God, that's his whole secret!" "What of it!" (1a).