无中生有

无中生有 [wú zhōng shēng yǒu]

1. ■ fabricate rumors [myths]; a sheer fabrication out of nothing; churn out cock-and-bull stories; come out of thin air; create groundless rumors; create [beget; make] sth. out of nothing; fabricated; fabricate rumors out of thin air; fasten a crime on sb. when there is none; make up; manufacture [invent] ... out of thin air; produce sth. where nothing should be; purely fictitious:

确实不是这样， 他是在无中生有。 Indeed it isn't, true he has made it up.