姑妄言之

to just talk for the sake of talking

paternal aunt / husband's sister / husband's mother (old) / nun / for the time being (literary)

absurd / fantastic / presumptuous / rash

lies / wild talk / to tell lies / to talk nonsense / fantasy (literature)

words / speech / to say / to talk

(possessive particle, literary equivalent of 的[de5]) / him / her / it