here goes nothing
Indicates a lack of confidence or certainty about the activity about to be tried.
Well, I checked everything and I think it's wired up correctly, so I guess all that's left is to turn it on. Here goes nothing!
ADJ.
bad, beautiful, better, done, great, impossible, scientific
There was nothing beautiful about the old abandoned house on the hill.
VERB + NOTHING
believe, consent, don't, doubt, face, leaves, like, look
I don't believe nothing he says after he lied to me last week.
NOTHING + NOUN
audience, everything, habits, student
She had nothing but bad habits when she started high school, but her teachers helped her improve.
PREP.
out, since, than, up, with, without, without
I've been waiting for nothing since you left the house this morning.
ADV.
then
There was nothing then to suggest that everything would change so dramatically.