C2 according to the facts and what is possible现实地;实事求是地
Realistically speaking, he hadn't a hope, but that didn't stop him trying.实事求是地说,他毫无希望,但是这并没有让他放弃努力。
C1 in a way that seems as if it exists逼真地;栩栩如生地
He was made up very realistically to look like an old woman.他化了装,看上去真的像个老太婆。