first go

first go

On the first try. Primarily heard in UK. I can't believe I solved that difficult puzzle first go!
See also: first, go

first, second, etc. ˈgo

(British English) at the first, second, etc. attempt: I passed my driving test first go.
See also: go
References in classic literature ?
At last, he emerged with his hat very much dented and crushed down over his eyes, and began creaking and limping about the room, as if, not being much accustomed to boots, his pair of damp, wrinkled cowhide ones -- probably not made to order either --rather pinched and tormented him at the first go off of a bitter cold morning.
We will first go and see our own dear grandmother, and tell her where our step-mother is sending us.
Hector introduces her to horses; she loves Andromache and Cassandra; and although her loyalties first go to Menelaus and his little son, she also feels honor-bound to do nothing to betray Troy.
Because atoms require less energy to settle in a rough region than to start the formation of a new layer on a smooth face, they first go exclusively to the corners.