you know what? (a phrase used to get someone's attention before announcing something)

a certain something, je ne sais quoi (intangible quality that makes something distinctive)

be that as it may, at any rate, in any case, howbeit, anyway, anyhow

(derogatory) everything, anything (without discrimination)

anything (at all)

(informal) what more do you want – jam on it? oh yeah, and what else? anything else? is that all? (used ironically, when someone asks too much, with the meaning "not a chance I'm going to do that!")

whatever it costs, whatever the cost, whatever it takes

at any rate, in any case, howbeit, anyway, anyhow

(law) in witness whereof (words announcing the concluding clause in deeds)

Alternative form of en foi de quoi